68th BPSC Prelims (2023), question 68

🌍 Geography

68. Which of the following statements is true about troposphere?

    1. It is the topmost layer of the atmosphere.
    2. The temperature at this layer increases with the height.
    3. Its average height is 13 km.
    4. More than one of the above
    5. None of the above
    Show answer

    Answer: C — Its average height is 13 km.

    The troposphere, the lowest atmospheric layer, has an average height of about 13 km (higher at the equator, lower at the poles).

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