Why does atmospheric pressure decrease with height?
Why does atmospheric pressure decrease with height?
Our atmosphere's properties are highly associated with the altitude or the mean sea level height from the Earth.
Atmospheric pressure is a concept that defines the force exerted by the atmospheric gases on an object's area. Thus, the extent of pressure depends on the force of the air molecules present in it, in which higher pressure has more molecules. The air molecules or the gases are closest to the Earth due to anthropogenic and bio-geochemical activities and attractive forces of Earth's gravity. But as we go up, the amount of air particles decreases as we go away from gravity and Earth's particle/gas generating process. Since the pressure is directly related to the density of air(particles of air molecules), therefore, at a higher altitude, the pressure is lesser than the surface due to the diminishing density of air particles in the atmosphere.
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