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Inglese

open-minded

Telugu

మరియు ఓపెన్ mind

Ultimo aggiornamento 2019-02-25
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Inglese

India has set an important example of communal harmony to this world. India is the only country of the world where people of all religion and beliefs have been living peacefully for a long time. It is important to note that even during the reign of British, there was no tension among the various religious people. India, a multi-religious, multilingual and multi-racial country, has always ‘enjoyed the essential unity of culture amidst diversities that kept her people united. After independence, narrow religious, regional and communal feelings attracted the country. The apparently mindless communal tensions and bloody riots that take place occasionally create a sense of mistrust among the two principal religious communities involved in clashes. The country pays a heavy price for such disturbances through loss of life and property.

Telugu

తెలుగు వ్యాసంలో మత సామరస్యాన్ని గురించి

Ultimo aggiornamento 2017-11-22
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Inglese

essay road accident telugu 1. As they say speed thrills and also kills. Keep a rein on your speed, so that one is in better control of the vehicle. Find out what causes you to speed up? Is there an urge to speed when you have a driver close behind? Or, is it an effort to keep up with the traffic flow. Or, do you simply enjoy over-taking? It is especially important to lower speed while nearing schools, on narrow roads, hilly areas, rural areas and when visibility is poor. Wet roads and speed is a perfect recipe for an accident. 2. Obey traffic rules. Traffic rules have been designed with safety foremost in mind. It takes into account safety for all, including pedestrians. Follow the lane, and keep the required distance between vehicles. It is important to display appropriate indications/signals especially while changing lanes or before a turn. Respect for other drivers on the road is sacrosanct to road safety. 3. Wear seat belts. Seat belts are life saving. A statistic has revealed that 63% of those who died in accidents had not strapped on their seat belts. According to the National Highway Transportation Safety Administration (NHTSA), lap-shoulder belt systems cut the risk of serious injury and fatality by 50 percent. Seat belts help in protecting the internal organs in a crash as it restrains the forward movement of the body to a great extent. It protects against head and neck injuries by minimizing head contacts and keeps the passenger in place. 4. Pedestrians and children come first – Preference is to be given to pedestrians and children crossing the road. 5. Read caution signs: Caution signs are very important as they warn about accident prone spots so that the driver can reduce the speed of the vehicle. Signboards on the road are vital clues about road design so that the person behind the wheel can exercise caution. 6. Adopt antiskid break systems in the cars, so that the risk of cars skidding can be reduced. 7. Air bags in vehicles are a must to cushion the impact in case of accidents. 8. Reflectors to be used on the rear of the vehicle. Ensure all lamps are in working condition. Hazard lamp should be switched on when the vehicle is parked on a highway. 9. Vehicle must be in good working condition- there should be no compromise on the quality of brakes and tyres. Further, it is imperative to inflate tyres with the right air pressure to avoid tyre bursts on road. 10. Roads should be in good condition with proper sign boards. It is vital to install reflectors on roads so that deviations and medians are clearly visible to drivers. 11. Avoid drugs and alcohol while driving. Drugs and alcohol can slow down reflexes, disrupt accurate judgments, and cause mental alertness to dip. They have been the reason behind many fatal road accidents. 12. Falling asleep behind the wheel has led to many grave mishaps on the road. Drivers must rest well as the lack of it can have an adverse effect on mental alertness, slow down reflexes, and even cause momentary sleepiness behind the wheel. What follows is a disaster.

Telugu

వ్యాస రోడ్డు ప్రమాదంలో telugu

Ultimo aggiornamento 2017-10-10
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Inglese

Wedding dance By : amador daguio1.awiyao reached for the upper horizontal log which serve as the edge of the head high threshold. Clinging to the log, he lifted himself with one bound that carried him across to the narrow door. He slid back the cover stepped inside then pushed the cover back in place. After some moments during which he seemed to wait he talked to the listening darkness. 2.im sorry this had to be done. I am sorry but neither of us can help it.3.the sound of the gangsas beat through the walls of the dark house like muffled roars of falling waters. The woman who had moved with a start when the sliding door opened had been hearing the gangsas for she did not know how long. There was a sudden rush of fire in her. She gave no sign that she heard awiyao, but continued to sit unmoving in the darkness.4.but awiyao knew that she heard him and his heart pitied her. He crawled on all fours to the middle of the room; he knew exactly where the stove was. With bare fingers he stirred the covered smoldering embers and blew into the stove. When the coals began to glow, awiyao put pieces of pine on them, then full round logs as his arms. The room brightened

Telugu

QUERY LENGTH LIMIT EXCEDEED. MAX ALLOWED QUERY : 500 CHARS

Ultimo aggiornamento 2017-10-10
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Inglese

A borehole is a narrow shaft bored in the ground, either vertically or horizontally. A borehole may be constructed for many different purposes, including the extraction of water, other liquids (such as petroleum) or gases (such as natural gas), as part of a geotechnical investigation, environmental site assessment, mineral exploration, temperature measurement, as a pilot hole for installing piers or underground utilities, for geothermal installations, or for underground storage of unwanted substances, e.g. in carbon capture and storage. Contents

Telugu

బురెల్ న వ్యాసం

Ultimo aggiornamento 2017-08-07
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Inglese

essay Rain is liquid water in the form of droplets that have condensed from atmospheric water vapor and then precipitated—that is, become heavy enough to fall under gravity. Rain is a major component of the water cycle and is responsible for depositing most of the fresh water on the Earth. It provides suitable conditions for many types of ecosystems, as well as water for hydroelectric power plants and crop irrigation. The major cause of rain production is moisture moving along three-dimensional zones of temperature and moisture contrasts known as weather fronts. If enough moisture and upward motion is present, precipitation falls from convective clouds (those with strong upward vertical motion) such as cumulonimbus (thunder clouds) which can organize into narrow rainbands. In mountainous areas, heavy precipitation is possible where upslope flow is maximized within windward sides of the terrain at elevation which forces moist air to condense and fall out as rainfall along the sides of mountains. On the leeward side of mountains, desert climates can exist due to the dry air caused by downslope flow which causes heating and drying of the air mass. The movement of the monsoon trough, or intertropical convergence zone, brings rainy seasons to savannah climes. The urban heat island effect leads to increased rainfall, both in amounts and intensity, downwind of cities. Global warming is also causing changes in the precipitation pattern globally, including wetter conditions across eastern North America and drier conditions in the tropics.[citation needed] Antarctica is the driest continent. The globally averaged annual precipitation over land is 715 mm (28.1 in), but over the whole Earth it is much higher at 990 mm (39 in).[1] Climate classification systems such as the Köppen climate classification system use average annual rainfall to help differentiate between differing climate regimes. Rainfall is measured using rain gauges. Rainfall amounts can be estimated by weather radar. Rain is also known or suspected on other planets, where it may be composed of methane, neon, sulfuric acid, or even iron rather than water.on rainy season

Telugu

వర్షాకాRain is liquid water in the form of droplets that have condensed from atmospheric water vapor and then precipitated—that is, become heavy enough to fall under gravity. Rain is a major component of the water cycle and is responsible for depositing most of the fresh water on the Earth. It provides suitable conditions for many types of ecosystems, as well as water for hydroelectric power plants and crop irrigation. The major cause of rain production is moisture moving along three-dimensional zones of temperature and moisture contrasts known as weather fronts. If enough moisture and upward motion is present, precipitation falls from convective clouds (those with strong upward vertical motion) such as cumulonimbus (thunder clouds) which can organize into narrow rainbands. In mountainous areas, heavy precipitation is possible where upslope flow is maximized within windward sides of the terrain at elevation which forces moist air to condense and fall out as rainfall along the sides of mountains. On the leeward side of mountains, desert climates can exist due to the dry air caused by downslope flow which causes heating and drying of the air mass. The movement of the monsoon trough, or intertropical convergence zone, brings rainy seasons to savannah climes. The urban heat island effect leads to increased rainfall, both in amounts and intensity, downwind of cities. Global warming is also causing changes in the precipitation pattern globally, including wetter conditions across eastern North America and drier conditions in the tropics.[citation needed] Antarctica is the driest continent. The globally averaged annual precipitation over land is 715 mm (28.1 in), but over the whole Earth it is much higher at 990 mm (39 in).[1] Climate classification systems such as the Köppen climate classification system use average annual rainfall to help differentiate between differing climate regimes. Rainfall is measured using rain gauges. Rainfall amounts can be estimated by weather radar. Rain is also known or suspected on other planets, where it may be composed of methane, neon, sulfuric acid, or even iron rather than water.లం లో వ్యాస

Ultimo aggiornamento 2017-01-23
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Inglese

With the slogan of women empowerment the question arise that “are women become really strong” and “is long term struggle has ended”. Many programmes have been implemented and run by the government such as International Women’s day, mother’s day, etc in order to bring awareness in the society about the true rights and value of the women in the development of the nation. Women need to be progressed in the number of spheres. There is a high level of gender inequality in India where women are ill treated by their family members and outsiders. The percentage of illiterate population in India is mostly covered by the women. The real meaning of the women empowerment is to make them well educated and leave them free so that they can be capable to take their own decisions in any field. Women in India are always subjected to the honour killings and they never given their basic rights for the proper education and freedom. They are the victims who have face violence and abuse in the male dominated country. According to the National Mission for the Empowerment of women (NMEW) launched by the Indian Government, this step has sown some improvement in the 2011 census. The ratio of female sex and female literacy both has increased. According to the Global Gender Gap Index, India needs to take some advance steps to improve the women position in the society through the proper health, higher education and economic participation. Women empowerment needs to take full speed in right direction instead of being in nascent stage. Women Empowerment Essay 5 (300 words) The most famous saying said by the Pandit Jawaharlal Nehru is “To awaken the people, it is the women who must be awakened. Once she is on the move, the family moves, the village moves, the nation moves”. In India, to empower the women, first it needs to kill all the demons killing women’s rights and values in the society such as dowry system, illiteracy, sexual harassment, inequality, female infanticide, domestic violence against women, rape, prostitution, illegal trafficking and other issues. Gender discrimination in the nation brings cultural, social, economic and educational differences which push country back. The most effective remedy to kill such devils is making women empowered by ensuring the Right to Equality mentioned in the Constitution of India. Giving priority to the gender equality facilitates women empowerment all over the country. To get the high level goal of women empowerment, it should be promoted from the childhood in each and every family. It needs women to be strong physically, mentally and socially. Since the better education can be started at home from childhood, the upliftment of women needs healthy family to bring a holistic development of the nation. Still in many backward areas, there is a trend of early marriage and childbirth because of the poverty, insecurity and illiteracy of the parents. In order to empower women, various steps have been taken by the government to prevent violence, social separation, gender discrimination and abuse against women. 108th Constitutional Amendment Bill (also called Women’s Reservation Bill) was passed to reserve one-third of the seats for women only in the Lok Sabha to make them actively involved in every area. In other fields also the seats for women have been reserved for their active participation without any limitation and competition. Various mass campaigns need to be organized in the backward rural areas to make them aware about the real values of women and all the facilities available by the government for their bright future. They need to be promoted for the survival and proper education of female child to really bring the dream of women empowerment come true. Women Empowerment Essay 6 (400 words) Gender inequality is the main social issue in India in which women are getting back in the male dominated country. Women empowerment needs to take a high speed in this country to equalize the value of both genders. Uplifting of women in all means should be the utmost priority of the nation. Inequalities between men and women in the society generate lots of problems which become a big obstruction in the way to success of nation. It is the birth rights of the women to get equal value to the men in the society. To really bring empowerment, every woman needs to be aware about their rights from their own end. They need to take positive steps and involve in every activities instead of only involving in the household chores and family responsibilities. They should know about all the happenings in their surroundings and country. Women empowerment has the power to change many things in the society and country. They are much better than men to deal with certain problems in the society. They can better understand the disadvantages of the overpopulation for their family and country. They are fully able to handle the economic conditions of the family and country through proper family planning. Women are capable enough to handle any impulsive violence in comparison to the men whether in the family or society. Through women empowerment, it can be possible to change the male dominated country into the equally dominated country of rich economy. Empowering women may easily help to grow each and every member of the family without any extra effort. A woman is considered to be responsible for everything in the family so she can better solve all the problems from her own end. Empowerment of the women would automatically bring empowerment of everyone. Women empowerment is the better treatment of any big or small problems related to human being, economy or environment. In few last years, the advantages of the women empowerment are coming out in front of us. Women are being more conscious about their health, education, career, job and responsibilities towards family, society and country. They are taking part in the every area and showing their great interest in each field. Finally, after long years of hard struggle they are getting their rights to go ahead on the right track. Women Empowerment Essay 7 (800 words) (Long Essay) What is Women Empowerment Women empowerment can be defined in very simple words that it is making women powerful so that they can take their own decisions regarding their lives and well being in the family and society. It is empowering women to make them able to get their real rights in the society. Why Need of Women Empowerment in India As we all know that India is a male dominated country where males are dominated in every area and females are forced to be responsible for only family care and live in the home including other many restrictions. Almost 50% of the population in India is covered by the female only so the full development of the country depends on the half population means women, who are not empowered and still restricted by many social taboos. In such condition, we cannot say that our country would be a developed in the future without empowering its half population means women. If we want to make our country a developed country, first of all it is very necessary to empower women by the efforts of men, government, laws and women too. The need of women empowerment arose because of the gender discrimination and male domination in the Indian society since ancient time. Women are being suppressed by their family members and society for many reasons. They have been targeted for many types of violence and discriminatory practices by the male members in the family and society in India and other countries as well. Wrong and old practices for the women in the society from ancient time have taken the form of well developed customs and traditions. There is a tradition of worshipping many female goddesses in India including giving honour to the women forms in the society like mother, sister, daughter, wife and other female relatives or friends. But, it does not mean that only respecting or honouring women can fulfil the need of development in the country. It needs the empowerment of the rest half population of the country in every walk of life. India is a famous country proving the common proverb like ‘unity is diversity’, where people of many religious beliefs are in the Indian society. Women have been given a special place in every religion which is working as a big curtain covering the eyes of people and help in the continuation of many ill practices (including physical and mental) against women as a norm since ages. In the ancient Indian society, there was a custom of sati pratha, nagar vadhu system, dowry system, sexual violence, domestic violence, female infanticide, parda pratha, wife burning, sexual harassment at work place, child marriage, child labour, devadashi pratha, etc including other discriminatory practices. All such type of ill practices is because of male superiority complex and patriarchal system of the society. Socio-political rights (right to work, right to education, right to decide for themselves, etc) for the women were completely restricted by the male members of family. Some of the ill practices against women have been eliminated by the open minded and great Indian people who raise their voices for the discriminatory practices against women. Through the continuous efforts of the Raja Ram Mohan Roy, Britishers were forced to eliminate the ill practice of Sati paratha. Later, other famous social reformers of the India (Ishwar Chandra Vidyasagar, Acharya Vinoba Bhave, Swami Vivekananda, etc) also had raised their voices and worked hard for the upliftment of women in Indian society. In India, the Widow Remarriage Act, 1856 was initiated by the continuous efforts of Ishwar Chandra Vidyasagar in order to improve the conditions of widows in the country. In the recent years, various constitutional and legal rights have been implemented by the government of India in order to eliminate ill practices and gender discrimination against women. However, in order to solve such a big issue, the continuous effort of everyone including women is required. Modern society is being more aware about the women rights which results in the increasing number of several self-help groups, NGOs, etc working in this direction. Women are being more open minded and breaking the societal barriers in order to achieve their rights in all dimensions even after crimes are going side by side. Some of the acts passed by the Parliament are Equal Remuneration Act-1976, Dowry Prohibition Act-1961, Immoral Traffic (Prevention) Act-1956, Medical termination of Pregnancy Act-1971, Maternity Benefit Act-1961, Commission of Sati (Prevention) Act-1987, Prohibition of Child Marriage Act-2006, Pre-Conception & Pre-Natal Diagnostic Techniques (Regulation and Prevention of Misuse) Act-1994, Sexual Harassment of Women at Work Place (Prevention, Protection and) Act-2013, etc in order to empower women with legal rights. In order to provide safety to women and reduce crime against women in India, government has passed another act Juvenile Justice (Care and Protection of Children) Bill, 2015 (especially after Nirbhaya case when an accused juvenile was released). This act is the replacement earlier Indian juvenile delinquency law of 2000 (Juvenile Justice (Care and Protection of Children) Act, 2000) in order to reduce the juvenile age from 18 to 16 years in cases of heinous offenses. Conclusion In order to really bring women empowerment in the Indian society, it needs to understand and eliminate the main cause of the ill practices against women which are patriarchal and male dominated system of the society. It needs to be open-minded and change the old mind set against women together with the constitutional and other legal provisions.

Telugu

భారతీయ మహిళలు

Ultimo aggiornamento 2016-03-06
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Inglese

Nature, in the broadest sense, is the natural, physical, or material world or universe. "Nature" can refer to the phenomena of the physical world, and also to life in general. The study of nature is a large part of science. Although humans are part of nature, human activity is often understood as a separate category from other natural phenomena. The word nature is derived from the Latin word natura, or "essential qualities, innate disposition", and in ancient times, literally meant "birth".[1] Natura is a Latin translation of the Greek word physis (φύσις), which originally related to the intrinsic characteristics that plants, animals, and other features of the world develop of their own accord.[2][3] The concept of nature as a whole, the physical universe, is one of several expansions of the original notion; it began with certain core applications of the word φύσις by pre-Socratic philosophers, and has steadily gained currency ever since. This usage continued during the advent of modern scientific method in the last several centuries.[4][5] Within the various uses of the word today, "nature" often refers to geology and wildlife. Nature can refer to the general realm of living plants and animals, and in some cases to the processes associated with inanimate objects – the way that particular types of things exist and change of their own accord, such as the weather and geology of the Earth. It is often taken to mean the "natural environment" or wilderness–wild animals, rocks, forest, and in general those things that have not been substantially altered by human intervention, or which persist despite human intervention. For example, manufactured objects and human interaction generally are not considered part of nature, unless qualified as, for example, "human nature" or "the whole of nature". This more traditional concept of natural things which can still be found today implies a distinction between the natural and the artificial, with the artificial being understood as that which has been brought into being by a human consciousness or a human mind. Depending on the particular context, the term "natural" might also be distinguished from the unnatural or the supernatural. Contents 1 Earth 1.1 Geology 1.1.1 Geological evolution 1.2 Historical perspective 2 Atmosphere, climate, and weather 3 Water on Earth 3.1 Oceans 3.2 Lakes 3.2.1 Ponds 3.3 Rivers 3.4 Streams 4 Ecosystems 4.1 Wilderness 5 Life 5.1 Evolution 5.2 Microbes 5.3 Plants and Animals 6 Human interrelationship 6.1 Aesthetics and beauty 6.2 Value of Nature 7 Matter and energy 8 Beyond Earth 9 See also 10 Notes and references 11 External links Earth Main articles: Earth and Earth science View of the Earth, taken in 1972 by the Apollo 17 astronaut crew. This image is the only photograph of its kind to date, showing a fully sunlit hemisphere of the Earth. Earth (or, "the earth") is the only planet known to support life, and its natural features are the subject of many fields of scientific research. Within the solar system, it is third closest to the sun; it is the largest terrestrial planet and the fifth largest overall. Its most prominent climatic features are its two large polar regions, two relatively narrow temperate zones, and a wide equatorial tropical to subtropical region.[6] Precipitation varies widely with location, from several metres of water per year to less than a millimetre. 71 percent of the Earth's surface is covered by salt-water oceans. The remainder consists of continents and islands, with most of the inhabited land in the Northern Hemisphere. Earth has evolved through geological and biological processes that have left traces of the original conditions. The outer surface is divided into several gradually migrating tectonic plates. The interior remains active, with a thick layer of plastic mantle and an iron-filled core that generates a magnetic field. This iron core is composed of a solid inner phase, and a fluid outer phase. It is the rotation of the outer, fluid iron core that generates an electrical current through dynamo action, which in turn generates a strong magnetic field. The atmospheric conditions have been significantly altered from the original conditions by the presence of life-forms,[7] which create an ecological balance that stabilizes the surface conditions. Despite the wide regional variations in climate by latitude and other geographic factors, the long-term average global climate is quite stable during interglacial periods,[8] and variations of a degree or two of average global temperature have historically had major effects on the ecological balance, and on the actual geography of the Earth.[9][10] Geology Main article: Geology Three types of geological plate tectonic boundaries. Geology is the science and study of the solid and liquid matter that constitutes the Earth. The field of geology encompasses the study of the composition, structure, physical properties, dynamics, and history of Earth materials, and the processes by which they are formed, moved, and changed. The field is a major academic discipline, and is also important for mineral and hydrocarbon extraction, knowledge about and mitigation of natural hazards, some Geotechnical engineering fields, and understanding past climates and environments. Geological evolution The geology of an area evolves through time as rock units are deposited and inserted and deformational processes change their shapes and locations. Rock units are first emplaced either by deposition onto the surface or intrude into the overlying rock. Deposition can occur when sediments settle onto the surface of the Earth and later lithify into sedimentary rock, or when as volcanic material such as volcanic ash or lava flows, blanket the surface. Igneous intrusions such as batholiths, laccoliths, dikes, and sills, push upwards into the overlying rock, and crystallize as they intrude. After the initial sequence of rocks has been deposited, the rock units can be deformed and/or metamorphosed. Deformation typically occurs as a result of horizontal shortening, horizontal extension, or side-to-side (strike-slip) motion. These structural regimes broadly relate to convergent boundaries, divergent boundaries, and transform boundaries, respectively, between tectonic plates. Historical perspective Main articles: History of the Earth and Evolution Plankton inhabit oceans, seas and lakes, and have existed in various forms for at least 2 billion years.[11] An animation showing the movement of the continents from the separation of Pangaea until the present day. Earth is estimated to have formed 4.54 billion years ago from the solar nebula, along with the Sun and other planets.[12] The moon formed roughly 20 million years later. Initially molten, the outer layer of the Earth cooled, resulting in the solid crust. Outgassing and volcanic activity produced the primordial atmosphere. Condensing water vapor, most or all of which came from ice delivered by comets, produced the oceans and other water sources.[13] The highly energetic chemistry is believed to have produced a self-replicating molecule around 4 billion years ago.[14] Continents formed, then broke up and reformed as the surface of Earth reshaped over hundreds of millions of years, occasionally combining to make a supercontinent. Roughly 750 million years ago, the earliest known supercontinent Rodinia, began to break apart. The continents later recombined to form Pannotia which broke apart about 540 million years ago, then finally Pangaea, which broke apart about 180 million years ago.[15] During the Neoproterozoic era covered much of the Earth in glaciers and ice sheets. This hypothesis has been termed the "Snowball Earth", and it is of particular interest as it precedes the Cambrian explosion in which multicellular life forms began to proliferate about 530–540 million years ago.[16] Since the Cambrian explosion there have been five distinctly identifiable mass extinctions.[17] The last mass extinction occurred some 66 million years ago, when a meteorite collision probably triggered the extinction of the non-avian dinosaurs and other large reptiles, but spared small animals such as mammals. Over the past 66 million years, mammalian life diversified.[18] Several million years ago, a species of small African ape gained the ability to stand upright.[11] The subsequent advent of human life, and the development of agriculture and further civilization allowed humans to affect the Earth more rapidly than any previous life form, affecting both the nature and quantity of other organisms as well as global climate. By comparison, the Great Oxygenation Event, produced by the proliferation of algae during the Siderian period, required about 300 million years to culminate. The present era is classified as part of a mass extinction event, the Holocene extinction event, the fastest ever to have occurred.[19][20] Some, such as E. O. Wilson of Harvard University, predict that human destruction of the biosphere could cause the extinction of one-half of all species in the next 100 years.[21] The extent of the current extinction event is still being researched, debated and calculated by biologists.[22] Atmosphere, climate, and weather Lightning Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth a blue halo when seen from space A tornado in central Oklahoma Main articles: Atmosphere of Earth, Climate and Weather The Earth's atmosphere is a key factor in sustaining the ecosystem. The thin layer of gases that envelops the Earth is held in place by gravity. Air is mostly nitrogen, oxygen, water vapor, with much smaller amounts of carbon dioxide, argon, etc. The atmospheric pressure declines steadily with altitude. The ozone layer plays an important role in depleting the amount of ultraviolet (UV) radiation that reaches the surface. As DNA is readily damaged by UV light, this serves to protect life at the surface. The atmosphere also retains heat during the night, thereby reducing the daily temperature extremes. Terrestrial weather occurs almost exclusively in the lower part of the atmosphere, and serves as a convective system for redistributing heat. Ocean currents are another important factor in determining climate, particularly the major underwater thermohaline circulation which distributes heat energy from the equatorial oceans to the polar regions. These currents help to moderate the differences in temperature between winter and summer in the temperate zones. Also, without the redistributions of heat energy by the ocean currents and atmosphere, the tropics would be much hotter, and the polar regions much colder. Weather can have both beneficial and harmful effects. Extremes in weather, such as tornadoes or hurricanes and cyclones, can expend large amounts of energy along their paths, and produce devastation. Surface vegetation has evolved a dependence on the seasonal variation of the weather, and sudden changes lasting only a few years can have a dramatic effect, both on the vegetation and on the animals which depend on its growth for their food. Climate is a measure of the long-term trends in the weather. Various factors are known to influence the climate, including ocean currents, surface albedo, greenhouse gases, variations in the solar luminosity, and changes to the Earth's orbit. Based on historical records, the Earth is known to have undergone drastic climate changes in the past, including ice ages. The climate of a region depends on a number of factors, especially latitude. A latitudinal band of the surface with similar climatic attributes forms a climate region. There are a number of such regions, ranging from the tropical climate at the equator to the polar climate in the northern and southern extremes. Weather is also influenced by the seasons, which result from the Earth's axis being tilted relative to its orbital plane. Thus, at any given time during the summer or winter, one part of the Earth is more directly exposed to the rays of the sun. This exposure alternates as the Earth revolves in its orbit. At any given time, regardless of season, the northern and southern hemispheres experience opposite seasons. Weather is a chaotic system that is readily modified by small changes to the environment, so accurate weather forecasting is limited to only a few days.[citation needed] Overall, two things are happening worldwide: (1) temperature is increasing on the average; and (2) regional climates have been undergoing noticeable changes.[23] Water on Earth The Iguazu Falls on the border between Brazil and Argentina Main article: Water Water is a chemical substance that is composed of hydrogen and oxygen and is vital for all known forms of life.[24] In typical usage, water refers only to its liquid form or state, but the substance also has a solid state, ice, and a gaseous state, water vapor or steam. Water covers 71% of the Earth's surface.[25] On Earth, it is found mostly in oceans and other large water bodies, with 1.6% of water below ground in aquifers and 0.001% in the air as vapor, clouds, and precipitation.[26][27] Oceans hold 97% of surface water, glaciers and polar ice caps 2.4%, and other land surface water such as rivers, lakes and ponds 0.6%. Additionally, a minute amount of the Earth's water is contained within biological bodies and manufactured products. Oceans A view of the Atlantic Ocean from Leblon, Rio de Janeiro. View of the Earth where all five oceans visible Earth's oceans Arctic Pacific Atlantic Indian Southern World Ocean v t e Main article: Ocean An ocean is a major body of saline water, and a principal component of the hydrosphere. Approximately 71% of the Earth's surface (an area of some 361 million square kilometers) is covered by ocean, a continuous body of water that is customarily divided into several principal oceans and smaller seas. More than half of this area is over 3,000 meters (9,800 feet) deep. Average oceanic salinity is around 35 parts per thousand (ppt) (3.5%), and nearly all seawater has a salinity in the range of 30 to 38 ppt. Though generally recognized as several 'separate' oceans, these waters comprise one global, interconnected body of salt water often referred to as the World Ocean or global ocean.[28][29] This concept of a global ocean as a continuous body of water with relatively free interchange among its parts is of fundamental importance to oceanography.[30] The major oceanic divisions are defined in part by the continents, various archipelagos, and other criteria: these divisions are (in descending order of size) the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, the Southern Ocean and the Arctic Ocean. Smaller regions of the oceans are called seas, gulfs, bays and other names. There are also salt lakes, which are smaller bodies of landlocked saltwater that are not interconnected with the World Ocean. Two notable examples of salt lakes are the Aral Sea and the Great Salt Lake. Lakes Lake Mapourika, New Zealand Main article: Lake A lake (from Latin lacus) is a terrain feature (or physical feature), a body of liquid on the surface of a world that is localized to the bottom of basin (another type of landform or terrain feature; that is, it is not global) and moves slowly if it moves at all. On Earth, a body of water is considered a lake when it is inland, not part of the ocean, is larger and deeper than a pond, and is fed by a river.[31][32] The only world other than Earth known to harbor lakes is Titan, Saturn's largest moon, which has lakes of ethane, most likely mixed with methane. It is not known if Titan's lakes are fed by rivers, though Titan's surface is carved by numerous river beds. Natural lakes on Earth are generally found in mountainous areas, rift zones, and areas with ongoing or recent glaciation. Other lakes are found in endorheic basins or along the courses of mature rivers. In some parts of the world, there are many lakes because of chaotic drainage patterns left over from the last Ice Age. All lakes are temporary over geologic time scales, as they will slowly fill in with sediments or spill out of the basin containing them. Ponds The Westborough Reservoir (Mill Pond) in Westborough, Massachusetts. Main article: Pond A pond is a body of standing water, either natural or man-made, that is usually smaller than a lake. A wide variety of man-made bodies of water are classified as ponds, including water gardens designed for aesthetic ornamentation, fish ponds designed for commercial fish breeding, and solar ponds designed to store thermal energy. Ponds and lakes are distinguished from streams via current speed. While currents in streams are easily observed, ponds and lakes possess thermally driven microcurrents and moderate wind driven currents. These features distinguish a pond from many other aquatic terrain features, such as stream pools and tide pools. Rivers The Nile river in Cairo, Egypt's capital city Main article: River A river is a natural watercourse,[33] usually freshwater, flowing toward an ocean, a lake, a sea or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including stream, creek, brook, rivulet, and rill; there is no general rule that defines what can be called a river. Many names for small rivers are specific to geographic location; one example is Burn in Scotland and North-east England. Sometimes a river is said to be larger than a creek,[34] but this is not always the case, due to vagueness in the language.[35] A river is part of the hydrological cycle. Water within a river is generally collected from precipitation through surface runoff, groundwater recharge, springs, and the release of stored water in natural ice and snowpacks (i.e., from glaciers). Streams A rocky stream in Hawaii Main article: Stream A stream is a flowing body of water with a current, confined within a bed and stream banks. In the United States a stream is classified as a watercourse less than 60 feet (18 metres) wide. Streams are important as conduits in the water cycle, instruments in groundwater recharge, and they serve as corridors for fish and wildlife migration. The biological habitat in the immediate vicinity of a stream is called a riparian zone. Given the status of the ongoing Holocene extinction, streams play an important corridor role in connecting fragmented habitats and thus in conserving biodiversity. The study of streams and waterways in general involves many branches of inter-disciplinary natural science and engineering, including hydrology, fluvial geomorphology, aquatic ecology, fish biology, riparian ecology and others. Ecosystems Loch Lomond in Scotland forms a relatively isolated ecosystem. The fish community of this lake has remained unchanged over a very long period of time.[36] Lush green Aravalli Mountain Range in the Desert country-Rajasthan, India. A wonder how such greenery can exist in hot Rajasthan, a place well known for its Thar Desert An aerial view of a human ecosystem. Pictured is the city of Chicago Main articles: Ecology and Ecosystem Ecosystems are composed of a variety of abiotic and biotic components that function in an interrelated way.[37] The structure and composition is determined by various environmental factors that are interrelated. Variations of these factors will initiate dynamic modifications to the ecosystem. Some of the more important components are: soil, atmosphere, radiation from the sun, water, and living organisms. Central to the ecosystem concept is the idea that living organisms interact with every other element in their local environme

Telugu

Nature, in the broadest sense, is the natural, physical, or material world or universe. "Nature" can refer to the phenomena of the physical world, and also to life in general. The study of nature is a large part of science. Although humans are part of nature, human activity is often understood as a separate category from other natural phenomena. The word nature is derived from the Latin word natura, or "essential qualities, innate disposition", and in ancient times, literally meant "birth".[1] Natura is a Latin translation of the Greek word physis (φύσις), which originally related to the intrinsic characteristics that plants, animals, and other features of the world develop of their own accord.[2][3] The concept of nature as a whole, the physical universe, is one of several expansions of the original notion; it began with certain core applications of the word φύσις by pre-Socratic philosophers, and has steadily gained currency ever since. This usage continued during the advent of modern scientific method in the last several centuries.[4][5] Within the various uses of the word today, "nature" often refers to geology and wildlife. Nature can refer to the general realm of living plants and animals, and in some cases to the processes associated with inanimate objects – the way that particular types of things exist and change of their own accord, such as the weather and geology of the Earth. It is often taken to mean the "natural environment" or wilderness–wild animals, rocks, forest, and in general those things that have not been substantially altered by human intervention, or which persist despite human intervention. For example, manufactured objects and human interaction generally are not considered part of nature, unless qualified as, for example, "human nature" or "the whole of nature". This more traditional concept of natural things which can still be found today implies a distinction between the natural and the artificial, with the artificial being understood as that which has been brought into being by a human consciousness or a human mind. Depending on the particular context, the term "natural" might also be distinguished from the unnatural or the supernatural. Contents 1 Earth 1.1 Geology 1.1.1 Geological evolution 1.2 Historical perspective 2 Atmosphere, climate, and weather 3 Water on Earth 3.1 Oceans 3.2 Lakes 3.2.1 Ponds 3.3 Rivers 3.4 Streams 4 Ecosystems 4.1 Wilderness 5 Life 5.1 Evolution 5.2 Microbes 5.3 Plants and Animals 6 Human interrelationship 6.1 Aesthetics and beauty 6.2 Value of Nature 7 Matter and energy 8 Beyond Earth 9 See also 10 Notes and references 11 External links Earth Main articles: Earth and Earth science View of the Earth, taken in 1972 by the Apollo 17 astronaut crew. This image is the only photograph of its kind to date, showing a fully sunlit hemisphere of the Earth. Earth (or, "the earth") is the only planet known to support life, and its natural features are the subject of many fields of scientific research. Within the solar system, it is third closest to the sun; it is the largest terrestrial planet and the fifth largest overall. Its most prominent climatic features are its two large polar regions, two relatively narrow temperate zones, and a wide equatorial tropical to subtropical region.[6] Precipitation varies widely with location, from several metres of water per year to less than a millimetre. 71 percent of the Earth's surface is covered by salt-water oceans. The remainder consists of continents and islands, with most of the inhabited land in the Northern Hemisphere. Earth has evolved through geological and biological processes that have left traces of the original conditions. The outer surface is divided into several gradually migrating tectonic plates. The interior remains active, with a thick layer of plastic mantle and an iron-filled core that generates a magnetic field. This iron core is composed of a solid inner phase, and a fluid outer phase. It is the rotation of the outer, fluid iron core that generates an electrical current through dynamo action, which in turn generates a strong magnetic field. The atmospheric conditions have been significantly altered from the original conditions by the presence of life-forms,[7] which create an ecological balance that stabilizes the surface conditions. Despite the wide regional variations in climate by latitude and other geographic factors, the long-term average global climate is quite stable during interglacial periods,[8] and variations of a degree or two of average global temperature have historically had major effects on the ecological balance, and on the actual geography of the Earth.[9][10] Geology Main article: Geology Three types of geological plate tectonic boundaries. Geology is the science and study of the solid and liquid matter that constitutes the Earth. The field of geology encompasses the study of the composition, structure, physical properties, dynamics, and history of Earth materials, and the processes by which they are formed, moved, and changed. The field is a major academic discipline, and is also important for mineral and hydrocarbon extraction, knowledge about and mitigation of natural hazards, some Geotechnical engineering fields, and understanding past climates and environments. Geological evolution The geology of an area evolves through time as rock units are deposited and inserted and deformational processes change their shapes and locations. Rock units are first emplaced either by deposition onto the surface or intrude into the overlying rock. Deposition can occur when sediments settle onto the surface of the Earth and later lithify into sedimentary rock, or when as volcanic material such as volcanic ash or lava flows, blanket the surface. Igneous intrusions such as batholiths, laccoliths, dikes, and sills, push upwards into the overlying rock, and crystallize as they intrude. After the initial sequence of rocks has been deposited, the rock units can be deformed and/or metamorphosed. Deformation typically occurs as a result of horizontal shortening, horizontal extension, or side-to-side (strike-slip) motion. These structural regimes broadly relate to convergent boundaries, divergent boundaries, and transform boundaries, respectively, between tectonic plates. Historical perspective Main articles: History of the Earth and Evolution Plankton inhabit oceans, seas and lakes, and have existed in various forms for at least 2 billion years.[11] An animation showing the movement of the continents from the separation of Pangaea until the present day. Earth is estimated to have formed 4.54 billion years ago from the solar nebula, along with the Sun and other planets.[12] The moon formed roughly 20 million years later. Initially molten, the outer layer of the Earth cooled, resulting in the solid crust. Outgassing and volcanic activity produced the primordial atmosphere. Condensing water vapor, most or all of which came from ice delivered by comets, produced the oceans and other water sources.[13] The highly energetic chemistry is believed to have produced a self-replicating molecule around 4 billion years ago.[14] Continents formed, then broke up and reformed as the surface of Earth reshaped over hundreds of millions of years, occasionally combining to make a supercontinent. Roughly 750 million years ago, the earliest known supercontinent Rodinia, began to break apart. The continents later recombined to form Pannotia which broke apart about 540 million years ago, then finally Pangaea, which broke apart about 180 million years ago.[15] During the Neoproterozoic era covered much of the Earth in glaciers and ice sheets. This hypothesis has been termed the "Snowball Earth", and it is of particular interest as it precedes the Cambrian explosion in which multicellular life forms began to proliferate about 530–540 million years ago.[16] Since the Cambrian explosion there have been five distinctly identifiable mass extinctions.[17] The last mass extinction occurred some 66 million years ago, when a meteorite collision probably triggered the extinction of the non-avian dinosaurs and other large reptiles, but spared small animals such as mammals. Over the past 66 million years, mammalian life diversified.[18] Several million years ago, a species of small African ape gained the ability to stand upright.[11] The subsequent advent of human life, and the development of agriculture and further civilization allowed humans to affect the Earth more rapidly than any previous life form, affecting both the nature and quantity of other organisms as well as global climate. By comparison, the Great Oxygenation Event, produced by the proliferation of algae during the Siderian period, required about 300 million years to culminate. The present era is classified as part of a mass extinction event, the Holocene extinction event, the fastest ever to have occurred.[19][20] Some, such as E. O. Wilson of Harvard University, predict that human destruction of the biosphere could cause the extinction of one-half of all species in the next 100 years.[21] The extent of the current extinction event is still being researched, debated and calculated by biologists.[22] Atmosphere, climate, and weather Lightning Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth a blue halo when seen from space A tornado in central Oklahoma Main articles: Atmosphere of Earth, Climate and Weather The Earth's atmosphere is a key factor in sustaining the ecosystem. The thin layer of gases that envelops the Earth is held in place by gravity. Air is mostly nitrogen, oxygen, water vapor, with much smaller amounts of carbon dioxide, argon, etc. The atmospheric pressure declines steadily with altitude. The ozone layer plays an important role in depleting the amount of ultraviolet (UV) radiation that reaches the surface. As DNA is readily damaged by UV light, this serves to protect life at the surface. The atmosphere also retains heat during the night, thereby reducing the daily temperature extremes. Terrestrial weather occurs almost exclusively in the lower part of the atmosphere, and serves as a convective system for redistributing heat. Ocean currents are another important factor in determining climate, particularly the major underwater thermohaline circulation which distributes heat energy from the equatorial oceans to the polar regions. These currents help to moderate the differences in temperature between winter and summer in the temperate zones. Also, without the redistributions of heat energy by the ocean currents and atmosphere, the tropics would be much hotter, and the polar regions much colder. Weather can have both beneficial and harmful effects. Extremes in weather, such as tornadoes or hurricanes and cyclones, can expend large amounts of energy along their paths, and produce devastation. Surface vegetation has evolved a dependence on the seasonal variation of the weather, and sudden changes lasting only a few years can have a dramatic effect, both on the vegetation and on the animals which depend on its growth for their food. Climate is a measure of the long-term trends in the weather. Various factors are known to influence the climate, including ocean currents, surface albedo, greenhouse gases, variations in the solar luminosity, and changes to the Earth's orbit. Based on historical records, the Earth is known to have undergone drastic climate changes in the past, including ice ages. The climate of a region depends on a number of factors, especially latitude. A latitudinal band of the surface with similar climatic attributes forms a climate region. There are a number of such regions, ranging from the tropical climate at the equator to the polar climate in the northern and southern extremes. Weather is also influenced by the seasons, which result from the Earth's axis being tilted relative to its orbital plane. Thus, at any given time during the summer or winter, one part of the Earth is more directly exposed to the rays of the sun. This exposure alternates as the Earth revolves in its orbit. At any given time, regardless of season, the northern and southern hemispheres experience opposite seasons. Weather is a chaotic system that is readily modified by small changes to the environment, so accurate weather forecasting is limited to only a few days.[citation needed] Overall, two things are happening worldwide: (1) temperature is increasing on the average; and (2) regional climates have been undergoing noticeable changes.[23] Water on Earth The Iguazu Falls on the border between Brazil and Argentina Main article: Water Water is a chemical substance that is composed of hydrogen and oxygen and is vital for all known forms of life.[24] In typical usage, water refers only to its liquid form or state, but the substance also has a solid state, ice, and a gaseous state, water vapor or steam. Water covers 71% of the Earth's surface.[25] On Earth, it is found mostly in oceans and other large water bodies, with 1.6% of water below ground in aquifers and 0.001% in the air as vapor, clouds, and precipitation.[26][27] Oceans hold 97% of surface water, glaciers and polar ice caps 2.4%, and other land surface water such as rivers, lakes and ponds 0.6%. Additionally, a minute amount of the Earth's water is contained within biological bodies and manufactured products. Oceans A view of the Atlantic Ocean from Leblon, Rio de Janeiro. View of the Earth where all five oceans visible Earth's oceans Arctic Pacific Atlantic Indian Southern World Ocean v t e Main article: Ocean An ocean is a major body of saline water, and a principal component of the hydrosphere. Approximately 71% of the Earth's surface (an area of some 361 million square kilometers) is covered by ocean, a continuous body of water that is customarily divided into several principal oceans and smaller seas. More than half of this area is over 3,000 meters (9,800 feet) deep. Average oceanic salinity is around 35 parts per thousand (ppt) (3.5%), and nearly all seawater has a salinity in the range of 30 to 38 ppt. Though generally recognized as several 'separate' oceans, these waters comprise one global, interconnected body of salt water often referred to as the World Ocean or global ocean.[28][29] This concept of a global ocean as a continuous body of water with relatively free interchange among its parts is of fundamental importance to oceanography.[30] The major oceanic divisions are defined in part by the continents, various archipelagos, and other criteria: these divisions are (in descending order of size) the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, the Southern Ocean and the Arctic Ocean. Smaller regions of the oceans are called seas, gulfs, bays and other names. There are also salt lakes, which are smaller bodies of landlocked saltwater that are not interconnected with the World Ocean. Two notable examples of salt lakes are the Aral Sea and the Great Salt Lake. Lakes Lake Mapourika, New Zealand Main article: Lake A lake (from Latin lacus) is a terrain feature (or physical feature), a body of liquid on the surface of a world that is localized to the bottom of basin (another type of landform or terrain feature; that is, it is not global) and moves slowly if it moves at all. On Earth, a body of water is considered a lake when it is inland, not part of the ocean, is larger and deeper than a pond, and is fed by a river.[31][32] The only world other than Earth known to harbor lakes is Titan, Saturn's largest moon, which has lakes of ethane, most likely mixed with methane. It is not known if Titan's lakes are fed by rivers, though Titan's surface is carved by numerous river beds. Natural lakes on Earth are generally found in mountainous areas, rift zones, and areas with ongoing or recent glaciation. Other lakes are found in endorheic basins or along the courses of mature rivers. In some parts of the world, there are many lakes because of chaotic drainage patterns left over from the last Ice Age. All lakes are temporary over geologic time scales, as they will slowly fill in with sediments or spill out of the basin containing them. Ponds The Westborough Reservoir (Mill Pond) in Westborough, Massachusetts. Main article: Pond A pond is a body of standing water, either natural or man-made, that is usually smaller than a lake. A wide variety of man-made bodies of water are classified as ponds, including water gardens designed for aesthetic ornamentation, fish ponds designed for commercial fish breeding, and solar ponds designed to store thermal energy. Ponds and lakes are distinguished from streams via current speed. While currents in streams are easily observed, ponds and lakes possess thermally driven microcurrents and moderate wind driven currents. These features distinguish a pond from many other aquatic terrain features, such as stream pools and tide pools. Rivers The Nile river in Cairo, Egypt's capital city Main article: River A river is a natural watercourse,[33] usually freshwater, flowing toward an ocean, a lake, a sea or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including stream, creek, brook, rivulet, and rill; there is no general rule that defines what can be called a river. Many names for small rivers are specific to geographic location; one example is Burn in Scotland and North-east England. Sometimes a river is said to be larger than a creek,[34] but this is not always the case, due to vagueness in the language.[35] A river is part of the hydrological cycle. Water within a river is generally collected from precipitation through surface runoff, groundwater recharge, springs, and the release of stored water in natural ice and snowpacks (i.e., from glaciers). Streams A rocky stream in Hawaii Main article: Stream A stream is a flowing body of water with a current, confined within a bed and stream banks. In the United States a stream is classified as a watercourse less than 60 feet (18 metres) wide. Streams are important as conduits in the water cycle, instruments in groundwater recharge, and they serve as corridors for fish and wildlife migration. The biological habitat in the immediate vicinity of a stream is called a riparian zone. Given the status of the ongoing Holocene extinction, streams play an important corridor role in connecting fragmented habitats and thus in conserving biodiversity. The study of streams and waterways in general involves many branches of inter-disciplinary natural science and engineering, including hydrology, fluvial geomorphology, aquatic ecology, fish biology, riparian ecology and others. Ecosystems Loch Lomond in Scotland forms a relatively isolated ecosystem. The fish community of this lake has remained unchanged over a very long period of time.[36] Lush green Aravalli Mountain Range in the Desert country-Rajasthan, India. A wonder how such greenery can exist in hot Rajasthan, a place well known for its Thar Desert An aerial view of a human ecosystem. Pictured is the city of Chicago Main articles: Ecology and Ecosystem Ecosystems are composed of a variety of abiotic and biotic components that function in an interrelated way.[37] The structure and composition is determined by various environmental factors that are interrelated. Variations of these factors will initiate dynamic modifications to the ecosystem. Some of the more important components are: soil, atmosphere, radiation from the sun, water, and living organisms. Central to the ecosystem concept is the idea that living organisms interact with every other element in their local environme

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