

MCQOPTIONS
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1. |
Which of the following gases in the atmosphere is/are responsible for acid rains? 1. Oxides of sulphur 2. Oxides of nitrogen 3. Oxide of carbon |
A. | 1 and 2 only |
B. | 1 and 3 only |
C. | 2 only |
D. | 1,2 and 3 only |
Answer» B. 1 and 3 only | |