1.

Consider the following :1. Oxides of Hydrogen 2. Oxides of Nitrogen 3. Oxides of Sulphur Which of the above causes/cause acid rain ?

A. 1 and 2 only
B. 3 only
C. 2 and 3 only
D. 1,2 and 3
Answer» D. 1,2 and 3


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