alleryStart learning →Acid rain is caused by the pollution of environment by
Acarbon dioxide and nitrogen
Bcarbon monoxide and carbon dioxide
Cozone and carbon dioxide
Dnitrous oxide and sulphur dioxide
Answer & Solution
Correct answer: D. nitrous oxide and sulphur dioxide
UPSC CSE Prelims 2013 (GS-I, Set A), Q.30. Official answer key: D.
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