Multiple choice

Air pollution is maximum caused by�

  1. Sewage and industrial effluents

  2. Household detergents and pesticides

  3. Automobile exhausts and chemicals from industry

  4. Sewage and pesticides
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Automobile exhausts and industrial chemicals release the highest quantities of air pollutants including particulate matter, nitrogen oxides, sulfur oxides, and volatile organic compounds into the atmosphere.

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