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

Assertion (A): Oxygen plays a key role in the troposphere. Reason (R):

1.	Assertion (A): Oxygen plays a key role in the troposphere. Reason (R): Troposphere is not responsible for all biological activities
Answer» Both (A) and R are CORRECT and (R) is the correct EXPLANATION of (A) Both (A) and R are correct and (R) is not the correct explanation of (A) Both (A) and R are not correct (A) is correct but( R) is not correct Solution :(A) is correct but( R) is not correct