A. hole in ozone layer
B. decrease in the ozone layer in troposphere
C. decrease in thickness of ozone layer in stratosphere
D. increase in the thickness of ozone layer in troposphere
Correct Answer:
Option C – decrease in thickness of ozone layer in stratosphere
Explanation
Chlorofluorocarbons (CFCs) and other halogenated ozone-depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion.
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