A) Pollutants in air
B) Use of detergents
C) Water pollution
D) Depletion of ozone layer
Correct Answer: D
Solution :
[d] A decrease in the concentration of ozone layer will cause ozone hole. It will allow the ultra-violet radiations to reach the earth and will cause cancers, especially those relating to skin like melanoma.You need to login to perform this action.
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