What is air preasure?
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Explanation:
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 ps
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atmospheric pressure produced by the motion size and number of gas molecules are exerted on surface in the contact with air normal sea level pressure as measured by the height of a column of Mercury Hg. Is expressed as 1013.2 Millibars ,760mm of hg or 29.92 inches of HG air pressure can be measured with Mercury or aneroid barometer
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