MCQOPTIONS
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| 1. |
Which of the following atmospheric gasca constitute Green house gases?1. Carbon dioxide2. Nitrogen3. Nitrous Oxide4. Water vapour Select the correct answer using the codes given below: |
| A. | 1 and 3 only |
| B. | 1,2 and 4 only |
| C. | 1,3 and 4 only |
| D. | 1 and 4 only |
| Answer» B. 1,2 and 4 only | |