Consider the following:
1. Carbon monoxide
2. Nitrogen oxide
3. Ozone
4. Sulphur dioxide Excess of which of the above in the environment is/are cause(

Question

Consider the following:
1. Carbon monoxide
2. Nitrogen oxide
3. Ozone
4. Sulphur dioxide Excess of which of the above in the environment is/are cause(s) of acid rain?

Accepted Answer

(B) 2 and 4 only

Answer

(A) 1, 2 and 3

Answer

(C) 4 only

Answer

(D) 1, 3 and 4