

MCQOPTIONS
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1. |
_Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate?$? |
A. | CO |
B. | SO‚ÇÇ |
C. | NOx |
D. | CFC (chloro fluoro carbons) |
Answer» B. SO‚Äö√á√á | |