Air pressure decreases with increasing altitude. So why is air near the surface not continuously drawn upward toward the lower-pressure regions above?
Solution 10DQ Step 1: Atmospheric pressure is nothing but the gravitational pull of Earth on the atmospheric gases on its surface. Pressure decreases with increasing the altitude. The pressure of gas is related to the density of the gas. The density of the gas is the amount of gas contained in the unit volume. On the surface of Earth, denser gases are present and the Earth experiences high pressure. As the height above the surface increases density also decreases this decreases the pressure of the gas. Since gravity is acting on the gases they never go up to balance the low pressure.