what is air pressure
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The air around you has weight, and it presses against everything it touches. 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.
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Due to the weight of the overlying air molecules on earth's surface the pressure is exerted, it is called air pressure.
Explanation:
- Atmospheric pressure is the another name of air pressure.
- Barometer is the instrument helps to measure atmospheric pressure.
- Air pressure is one of the weather parameter or indicator.
- From top to bottom the air pressure is rises.
- So, at sea level air pressure is high and at the same time on higher altitudes the air pressure is decreases.
- Pascal is the SI unit of air pressure.
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