Ozone hole refers to
- hole in ozone layer
- decrease in the ozone layer in troposphere
-
decrease in thickness of ozone layer in stratosphere
- increase in the thickness of ozone layer in troposphere
The correct answer is: C
Explanation
Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion.
There is an explanation video available .