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| Q. |
Which of the following is the lowest atmospheric layer? |
| A. | Lithosphere |
| B. | Stratosphere |
| C. | Troposphere |
| D. | Hydrosphere |
| Answer» C. Troposphere | |
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Explanation: The troposphere is the lowest layer of Earth's atmosphere. It starts at Earth's surface and goes up to a height of 7 to 20 km above sea level. Most of the mass (about 75- 80%) of the atmosphere is in the troposphere. Almost all weather occurs within this layer. |
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