Question

What do you mean by 1atm pressure ?​

Answer 1

Answer:

The standard atmosphere (symbol: atm) is a unit of pressure defined as 101325 Pa (1.01325 bar). It is sometimes used as a reference or standard pressure. It is approximately equal to Earth's atmospheric pressure at sea level.

Explanation:

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Answer 2

Explanation:

atmospheric pressure is the pressure exerted by the atmosphere on the earth