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Identify the components which when pres...

Identify the components which when present in the troposphere is a pollutant and when present in upper layers of atmosphere is a protector of life.

A

Chloroflurocarbons

B

Ozone

C

Nitrous oxide

D

Water vapour

Text Solution

Verified by Experts

The correct Answer is:
B
Ozone when present in the troposphere is a major pollutant that leads to global warming, while ozone present in the stratosphere acts as a shield from UV rays reaching the earth's surface.
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