Multiple Choice Questions Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers.
A
Methane
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B
Nitrous oxide
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C
Ozone
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D
Ammonia
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Solution
The correct option is C Ozone Ozone is a triatomic gas that forms a shield or layer in the stratosphere region of atmosphere. This layer protects the living beings from harmful effects of UV-B rays of 280-320 nm. Depletion of the ozone layer can lead to an increased incidence of skin cancer.