Question

Define air pressure​

Answer 1

Explanation:

the force exerted by air, whether compressed or unconfined, on any surface in contact with it

Answer 2

Answer:

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