MCQOPTIONS
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| 1. |
'Green House Effect' means |
| A. | Pollution in houses in tropical regions |
| B. | Trapping of solar energy due to atmospheric oxygen |
| C. | Trapping of solar energy due to atmospheric carbon dioxide |
| D. | Cultivation in green houses so as to check pollution |
| Answer» D. Cultivation in green houses so as to check pollution | |