Biology
Biology, 10.10.2019 23:00, tanyalynn12345

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.

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