Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure

Question

Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of

Options:

A . CO₂

B . SO₂

C . Hydrocarbons

D . CFC (chloro fluoro carbon)

Answer: Option D

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