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Environment › PollutionXAcid Rain

Environment › PollutionXAcid Rain

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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 ?

Options

(a)

1, 2 and 3

(b)

2 and 4 only

(c)

4 only

(d)

1, 3 and 4

Answer

(B)