Question

define atmospheric pressure​

Answer 1

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It is the force exerted on a surface by the air above it as gravity pulls it to Earth. Atmospheric pressure is commonly measured with a barometer. In a barometer, a column of mercury in a glass tube rises or falls as the weight of the atmosphere changes.

Answer 2

Our earth is surrounded by a blanket of air around it. It is called the atmosphere.

This air surrounding earth exerts pressure on each and every thing on earth which is known as atmospheric pressure.

Explanation:

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