Cause for air pollution is
Aemissions from vehicles
Bcombustion of fossil fuel
CPoisonous gas
Dnone of these
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Related Questions:
Spraying of D.D.T. on crops produces pollution of?
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- December 2nd is celebrated as World Environment Day in India.
- December 2nd is observed as National Pollution Control Day in India.
- National Pollution Control Day commemorates the 1984 Bhopal disaster.
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ജലമാലിന്യത്തിന്റെ തോത് കണ്ടെത്തുന്നതിനു വേണ്ടി ഏത് വാതകത്തിന്റെ അളവാണ് പ്രധാനമായും കണക്കാക്കുന്നത് ?