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 ?
a
1, 2 and 3
b
2 and 4 only
c
4 only
d
1, 3 and 4
Environmental PollutionAcid RainNitrogen oxideSulphur dioxideacid rainemissions