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Question

As we go up above sea level, the air pressure .

A
increases
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B
decreases
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C
remains same
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Solution

The correct option is B decreases
Pressure is inversely propotional to altitude. As we move away from the Earth's surface, the atmospheric pressure decreases rapidly. Because at higher altitudes, there are less air molecules when compared to molecules present at the surface of earth. Thus, creating differences in air pressure.

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