Question

what happens to the atmospheric with altitude?​

Answer 1

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As altitude rises, air pressure drops. In other words, if the indicated altitude is high, the air pressure is low. This happens for two reasons. ... As altitude increases, the amount of gas molecules in the air decreases—the air becomes less dense than air nearer to sea level.

Answer 2

Answer:

It actually decreases exponentially with altitude, dropping by half every 5.6 km (18,000 ft) or by a factor of 1/e every 7.64 km (25,100 ft), the average scale height of the atmosphere below 70 km (43 mi; 230,000 ft).

As altitude rises, air pressure drops. ... As altitude increases, the amount of gas molecules in the air decreases—the air becomes less dense than air nearer to sea level. This is what meteorologists and mountaineers mean by "thin air." Thin air exerts less pressure than air at a lower altitude.

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