Question

How does altitude affect air pressure and density? Check all that apply.

Air is less dense on a mountaintop than at sea level.
Air pressure is lower at low altitudes.
As you climb a mountain, air pressure increases.
More force pushes on the air at the bottom of an air column.
As you descend a mountain, air molecules are closer together.

Answer 1

Answer:

Hey mate here is ur answer!

Explanation:

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.

Hope it helps

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Answer 2

Answer:

On Edgenuity the answers are

A. Air is less dense on a mountaintop than at sea level.

D.More force pushes on the air at the bottom of an air column.

E. As you descend a mountain, air molecules are closer together.

Explanation: To make it simple the answer is A D E