Question

7. What is the cause of atmospheric pressure?​

Answer 1

Air pressure is caused by the weight of the air molecules above. ... This pressure causes air molecules at the Earth's surface to be more tightly packed together than those that are high in the atmosphere.

Answer 2

Answer:

Atmospheric pressure can be defined as the amount of "force per unit area"which is exerted against the surface by the air weight above that surface......... cause of atmospheric pressure is weight of columns of the air which effects as follows change in density of ambient air also change atmospheric pressure.

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