Civilsdaily
Environment › PollutionXAcid Rain
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
(B)