Question

What is air pressure?​

Answer 1

Answer:

the pressure exerted by air is called air pressure

Answer 2

In simple language ,

Pressure exerted by air/atmosphere is known as air pressure.

Now this is the defination from Nat Geo.......

That pressure is called atmospheric pressure, or air pressure. 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.

Now this is the defination from Google........

Atmospheric pressure, also known as barometric pressure, is the pressure within the atmosphere of Earth. The standard atmosphere is a unit of pressure defined as 101,325 Pa, which is equivalent to 760 mm Hg, 29.9212 inches Hg, or 14.696 psi.