Assertion :Ozone is destroyed by solar radiation in upper stratosphere . Reason: Thinning of the ozone layer allows excessive UV radiations to reach the surface of earth .
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution
The correct option is D Both Assertion and Reason are incorrect The CFCs that destroy ozone are distributed throughout the atmosphere. ... Because CFCs are broken down by UV radiation at higher altitudes, CFC concentrations decrease with altitude.