Answered

As you rise upwards in the atmosphere, air pressure

Aincreases.
Bdecreases.
Cdoesn't change.
Dfirst increases, then decreases.

Verified Answer :

SJ2006

As you rise upwards in the atmosphere, air pressure "Decreases"

So, option B is your answer.

Hope this helps!

yate296

Answer:

B

Explanation:

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. The first reason is gravity. Earth's gravity pulls air as close to the surface as possible. The second reason is density. 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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