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chlorofluorocarbons
క్లోరోఫ్లూరోకార్బన్
Ultimo aggiornamento 2019-11-24
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pollution is the introduction of contaminants into the natural environment that cause adverse change.[1] pollution can take the form of chemical substances or energy, such as noise, heat or light. pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. pollution is often classed as point source or nonpoint source pollution.ancient culturesurban pollutionforms of pollution the lachine canal in montreal, quebec, canada.the major forms of pollution are listed below along with the particular contaminant relevant to each of them:◾air pollution: the release of chemicals and particulates into the atmosphere. common gaseous pollutants include carbon monoxide, sulfur dioxide, chlorofluorocarbons (cfcs) and nitrogen oxides produced by industry and motor vehicles. photochemical ozone and smog are created as nitrogen oxides and
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Ultimo aggiornamento 2016-03-15
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