Question

Write all things About Atmospheric Pressure​

Answer 1

❥ A᭄nswer✭࿐

Atmospheric pressure, also known as barometric pressure (after the barometer), is the pressure within the atmosphere of Earth. The standard atmosphere (symbol: atm) is a unit of pressure defined as 101,325 Pa (1,013.25 hPa; 1,013.25 mbar), which is equivalent to 760 mm Hg, 29.9212 inches Hg, or 14.696 psi.

Answer 2

Answer:

Answer

Explanation:

Atmospheric pressure, also known as barometric pressure , is the pressure within the atmosphere of Earth. The standard atmosphere (symbol: atm) is a unit of pressure.

Air pressure is caused by the weight of the air molecules above. Even tiny air molecules have some weight, and the huge numbers of air molecules that make up the layers of our atmosphere collectively have a great deal of weight, which presses down on whatever is below.