How does Atmospheric Pressure vary with Altitude? show with a graph

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As we go to higher altitudes such as top mountains the atmospheric pressure is found to decrease. The following are the reasons due to which atmospheric pressure decreases at higher altitudes:

(i) Density of air decreases at higher altitudes.
(ii) Height of the air column above us also decreases.

A variation between the altitude and pressure/density is shown in the graph given below.

A variation between the altitude and pressure/density is shown in the graph
A variation between the altitude and pressure/density is shown in the graph

The graph above shows how both air pressure and air density decrease with increasing altitude.

How does Atmospheric Pressure vary with Altitude? show with a graph
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