Understanding Atmospheric Pressure: Its Significance In Weather, Aviation, And Medicine

Atmospheric pressure is the weight of the air above a unit area. It is typically measured in kilopascals (kPa) and is equal to 101.3 kPa at sea level. The weight of air is caused by the force of gravity pulling down on the air molecules. The higher the elevation, the lower the atmospheric pressure because there is less air above a unit area. Atmospheric pressure is important for weather forecasting, aviation, and medical applications.

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