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Discussion :: Environmental Science

  1. The earth's atmosphere is divided into layers based on the vertical profile of:

    2. A.

     Air pressure
    B.

     Air temperature
    C.

     Air density
    D.

     Wind speed

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    Answer : Option B

    Explanation :

    The term upper atmosphere usually refers to the region of the atmosphere above the troposphere.
    Many remote sensing satellites follow the near polar sun-synchronous orbits at a height around 800 km, which is well above the thermopause.

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