1.

The major source of pollution upto `80%` of total air pollution in metroplitan cities isA. automobiles (Traffic) /TransportationB. coal based industriesC. pesticidesD. radioactivity and noise

Answer» Correct Answer - A

Correct option is (A) automobile(traffic)/ transportaion.

The major cause of air pollution happens due to vehicular exhaust containing the oxides of carbon, nitrogen, sulphur and particulate matter.



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