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VENKATESAN
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Ozone hole refers to
A. Hole in ozone layer
5 votes (71%)
A. Hole in ozone layer
B. Decrease in the ozone layer in troposphere
1 vote (14%)
B. Decrease in the ozone layer in troposphere
C. Decrease in thickness of ozone layer in stratosphere
1 vote (14%)
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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