Question

what is atmosphere pressure​

Answer 1

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the mixture of gases that surrounds the earth or any other star, planet, etc.

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Answer 2

Answer:

By definition atmospheric pressure is 'force per unit area exerted against a surface by the weight of air above that surface'. Atmospheric pressure is closely related to the hydrostatic pressure caused by the weight of air above the measurement point. ... Other equivalent units are 760 mmHg and 1013.25 millibars

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