Assertion (A): Carbon dioxide is one of the important greenhouse gases.
Reason (R): It is largely produced by respiratory function of animals and plants.
(i) Both A and R are correct and R is the correct explanation of A.
(ii) Both A and R are correct but R is not the correct explanation of A.
(iii) Both A and R are not correct.
(iv) A is not correct but R is correct.
The answer is the option (ii) Both A and R are correct, but R is not the correct explanation of A.
Explanation:
Increased amount of is responsible for global warming. It is removed by plants, and hence the balance is maintained.