Consider the following statements and choose the correct answer from the following.
Assertion (A): The thin blanket of gases protects the earth from harmful effects.
Reason (R): Its density is maximum at the sea level and decreases upward
1
Both (A) and (R) are true and (R) is the correct explanation of (A).
2
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3
(A) is true, but (R) is false.
4
(A) is false, but (R) is true.