Answers

2016-07-02T11:02:42+08:00
Source of pollution is greenhouse effect and human body
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2016-07-02T11:05:44+08:00
The introduction of pollutants into the air, water or soil is called pollution. The burning of fossil fuels to power industries and vehicles is a major cause of pollution. Generating electrical power through thermal power stations releases huge amounts of carbon dioxide into the atmosphere.
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