avi's E - portfolio
Tuesday, January 31, 2012
Pollution
Do you want our world to be clean?
So do these things:
Throw rubbish to the right place.
Do not smoke.
Do not burn rubbish and forests.
Those are the reasons for air pollution ,water pollution, soil pollution.
Soil Pollution
Air Pollution
Water Pollution
1 comment:
avi
March 19, 2012 at 6:13 PM
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