The earth's atmosphere is divided into layers based on the vertical...

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

A. Air pressure

B. Air temperature

C. Air density

D. Wind speed

Answer: Option B

Solution (By Examveda Team)

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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