pollution
By vivek6831
@vivek6831 (211)
India
January 4, 2007 2:50am CST
we know that the pollution can be of three types-:
1. air pollution
2. water pollution
3. chemical pollution
air pollution-: the burning of fossils in large quantites and during the recent decades,has resultes in gradual increase in carbon di oxide context in the atmosphere.
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