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Mark the correct statement ....

Mark the correct statement .

A

Photochemical smog occurs in day time while the classical smog occurs in early morning hours.

B

Acid rain damages the buildings while it is not toxic to vegetation and aquatic life .

C

Carbon monoxide is a greenhouse gas which results in global warming .

D

Smoke consists of fine particcles produced during crushing and griding of solid materials

Text Solution

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The correct Answer is:
A
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