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建立人际资源圈Air_Pollution
2013-11-13 来源: 类别: 更多范文
Air Pollution
An ongoing problem around the world is the pollution of our air. There are unlimited
sources that produce these air polluting chemicals daily. This often scares people because
pollution of this kind leads to global warming.
Numerous substances in our everyday lives are considered air pollutants. Dust, smoke, exhaust
fumes, and microscopic soild particles make up what is reffered to as particulate matter.
Industrial factories and automobile exhaust creat this kind of pollution. Carbon Monoxide is
classified as a gaseous poulltant. When fossil
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