Question

What is air pressure​

Answer 1

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Air pressure is the weight of air molecules pressing down on the Earth. The pressure of the air molecules changes as you move upward from sea level into the atmosphere. The highest pressure is at sea level where the density of the air molecules is the greatest.

Answer 2

Answer:

the envelope of air is known as atmosphere . the atmosphere air extends up to many kilometers above the Surface of the earth.

Explanation:

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