solve the fourth one question please I will follow them who answered my question first And right
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Air pressure is the pressure exerted by the air on the earth surface
prakash750:
and and what about units
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Air pressure is the force exerted by the weight of the air molecules.
pressure is measured in Pascal(pa) or Newton square meter (N m^-2)
pressure is measured in Pascal(pa) or Newton square meter (N m^-2)
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