what is atmosphere pressure ?
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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
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The pressure is called atmospheric pressurd or air pressure. It is the force exerted o a surface by the air above it as gravity pulls it to Earths. One atmosphere is 1,013 millibars or 760 millimeter (29.92inches) of Mercury.
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