what is air pressure?
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Atmospheric pressure is defined as the pressure exerted on an object by the weight of air above it...
the atmospheric pressure at a place varies depending on the altitude.as the altitude increases the atmospheric pressure decreases .
Atmospheric pressure is defined as the pressure exerted on an object by the weight of air above it...
the atmospheric pressure at a place varies depending on the altitude.as the altitude increases the atmospheric pressure decreases .
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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. ... One atmosphere is 1,013 millibars, or 760 millimeters (29.92 inches) of mercury
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