1.

Assertion (A) : The temperature in the thermosphere increases with altitude. Reason (R) : Ozone present in stratosphere absorbs ultraviolet radiation

Answer»

Both (A) and (R) are TRUE and (R) is the correct EXPLANATION of (A)
Both (A) and (R) are true and (R) is not the correct explanation of (A)
(A) is true but (R) is false
Both (A) and (R) are false

Answer :B


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