

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