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Assertion ( A) : Oxygen plays a key role...

Assertion ( A) `:` Oxygen plays a key role in the troposphere
Reason ( R ) `:` Troposphere is not responsible for all biological activities.

A

Both ( A) and R are correct and ( R ) is the correct explanation of ( A )

B

Both ( A ) and R are correct and (R ) is not the correct explanation of ( A)

C

Both ( A ) and R are not correct

D

(A) is correct but ( R ) is not correct

Text Solution

Verified by Experts

The correct Answer is:
d
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