Assertion : Ozone is destroyed by $CFC' s$ in the upper stratosphere.
Reason : Ozone holes increase the amount of UV radiation reaching the earth.

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Assertion and reason are correct, but the reason is not the explanation for the assertion

Assertion is false, but the reason is correct

Assertion and reason are incorrect

Assertion and reason are both correct

answer is A.

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Detailed Solution

The upper stratosphere consists of ozone $(O_{3})$ . which protects us from harmful ultraviolet (UV) radiations coming from sun. When CFC reacts with ozone, it breaks the molecule of ozone resulting in ozone layer depletion.

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