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Question

As we go up from the surface of earth, the atmospheric pressure ________due to ______ in column of air above us.

A
decreases, increase
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B
decreases, decrease
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C
increases, increase
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D
increases, decrease
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Solution

The correct option is B decreases, decrease
The pressure at any level in the atmosphere can be interpreted as the total weight of the air column above a unit area at any altitude.
At higher altitudes, there are fewer air molecules above a given surface than a similar surface at lower levels.
Hence, we can say that the atmospheric pressure decreases with altitude.

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