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Munirathinam C
's Polls
Biology
Ozone hole refers to
A. hole in ozone layer
1 vote (100%)
A. hole in ozone layer
B. decrease in the ozone layer in troposphere
0 votes (0%)
B. decrease in the ozone layer in troposphere
C. decrease in thickness of ozone layer in stratosphere
0 votes (0%)
C. decrease in thickness of ozone layer in stratosphere
D. increase in the thickness of ozone layer in troposphere
0 votes (0%)
D. increase in the thickness of ozone layer in troposphere
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