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| Q. |
The layer of atmosphere close to the earth's surface is called – |
| A. | Exosphere |
| B. | Troposphere |
| C. | Stratosphere |
| D. | Ionosphere |
| Answer» B. Troposphere | |
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Explanation: The troposphere is the lowest layer of Earth's atmosphere and site of all weather on Earth. It is bonded on the top by a layer of air called the Tropopause, which separates the troposphere from the stratosphere and on bottom by the surface of the Earth. |
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