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| Q. |
Which of the following is most important for absorption of heat radiated from the Sun as well as from the Earth? |
| A. | Carbon dioxide |
| B. | Oxygen |
| C. | Carbon monoxide |
| D. | Nitrogen |
| Answer» A. Carbon dioxide | |
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Explanation: Carbon dioxide is a green house gas that absorbs heat radiated from the Sun as well as re-radiated heat from the Earth's surface. |
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