1.

Identify the wrong statement in the following `:`A. Chlorofluorocarbons are responsible for ozone layer depletionB. Greenhouse effect is responsible for global warningC. Acid rain is mostly because of oxides of nitrogen and sulphurD. Ozone layer does not permit infrared radiation from the sun to reach the earth

Answer» Correct Answer - 2
Ozone layer acts as a shield and does not allow ultraviolet radiation from sun to reach earth. It does not prevent infra- read radiation from sun to reach earth, thus optin `(4)` is wrong statement and so it is the correct answer.


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