MCQOPTIONS
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| 1. |
Consider the following which can be found in the ambient atmosphere:1.Soot2.Sulphur hexafluoride3.Water vaporWhich of the above contribute to the warming up of the atmosphere? |
| A. | I and 2 only |
| B. | 3 only |
| C. | 2 and 3 only |
| D. | 1, 2 and 3 |
| Answer» E. | |