Assertion(A):-CO2 is the one of the important greenhouse gases.
Reason (R) :-It is largely produced by respiratory function of animals and plants.
(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 not correct but R is correct.