MCQOPTIONS
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| 1. |
Acid rain is formed due to contribution of which of the following pair of gases: |
| A. | Methane and Ozone |
| B. | Sulphur dioxide and nitrogen oxides |
| C. | Methane and sulphur dioxide |
| D. | Oxygen and water vapour |
| Answer» C. Methane and sulphur dioxide | |