Single Answer MCQ
Q-00040598
What is the primary cause of ozone layer depletion?
1
Deforestation
2
Chlorofluorocarbons (CFCs)
3
Carbon dioxide emissions
4
Overpopulation
Answer and Solution
Answer
B. Chlorofluorocarbons (CFCs)
Solution:
Chlorofluorocarbons (CFCs) are known to deplete the ozone layer by releasing chlorine when they break down. This chlorine reacts with ozone, leading to its depletion. Other options do not directly cause ozone depletion.
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