Atmospheric pressure _____________ as we move away from the surface of the earth.

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Solution

As we move away from the surface of the earth, the density of the air decrease.
This means that there are fewer particles of air in the same area as compared to the ones near the surface of the earth.
These fewer particles exert less force over the same area.
Hence, the atmospheric pressure decreases as we move away from the surface of the earth.

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