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The air at the top of the mountain is thinner than the air at the base of the mountain. That is why you are harder breathing on the top than on the bottom.
The gases are about the same, but there is usually a lot less water vapor (because its cold) :

but the pressure is less (that is, the number of molecules per cubic foot is less), down to the point that on top of the tallest mountains humans can not survive for any appreciable time.

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What is the change of elevation from the base of the mountain to the top?

The change in elevation from the base of the mountain to the top is known as the mountain's elevation gain. It is calculated by subtracting the base elevation from the summit elevation.


Why is the air pressure lower at the top of a mountain than at the bottom of the mountain?

The air pressure is lower at the top of a mountain because there is less air above pressing down on it, resulting in lower atmospheric pressure. This is due to the decrease in the density of air molecules at higher altitudes.


What land form may have several different climate zones from bottom to top?

A mountain or a tall peak may have several different climate zones from bottom to top due to changes in altitude. As altitude increases, the temperature typically decreases, resulting in different climate zones such as tropical at the base, temperate in the middle, and alpine at the summit.


Why is the level of air pressure less at the top of a mountain than it is at sea level?

Air is denser at lower altitudes and less dense at higher altitudes. If the bottom of the valley is directly below the mountain, at a lower altitude, then there is technically more air in the valley.


Compare the air pressure at sea level with the air pressure on top of a mountain why are the two pressures different?

Air pressure can be modeled as column in that the lower the column regards the more of it pressing down upon you. Therefore, someone standing at sea level has a more air pressure pushing down on them then someone at high altitude (as in a mountain).

Related Questions

How will the air at the top of a mountain be different from the air at the base?

The air at the top of the mountain is less dense, meaning there are less particles of oxygen in a certain are than on the ground. It is harder to breathe because the air is so thin, there is not enough oxygen to breathe normally until you get used to it.


What happens to air pressure as you move from the base of a mountain to the top of a mountain?

As you move from the base to the top of a mountain, the air pressure decreases. This is because the weight of the air above decreases with elevation. At higher altitudes, there are fewer air molecules above, resulting in lower pressure.


What should a person expect to happen to the air pressure as they move from the base of a mountain to the top of the mountain?

As a person moves from the base to the top of a mountain, the air pressure decreases. This is because there is less air above you at higher altitudes, resulting in lower pressure due to decreased atmospheric density.


What should a person expect to happen to the air pressure as she moves from the base of the mountain to the top of the mountain?

The air pressure will decrease as the person moves from the base to the top of the mountain. This is because air pressure decreases with higher altitude due to the decreasing density of air molecules as elevation increases.


Is the summit of a mountain found at its base or at its top?

The summit of the mountain is at the top.


What is the air like at the top of a mountain?

The air is usually very thin at the top of a mountain.


What is the change of elevation from the base of the mountain to the top?

The change in elevation from the base of the mountain to the top is known as the mountain's elevation gain. It is calculated by subtracting the base elevation from the summit elevation.


How is air pressure different from the top of the mountain vs the bottom of a mountain?

Air pressure decreases as altitude increases, so at the top of a mountain, the air pressure is lower compared to the bottom of the mountain. This is because there is less air above pushing down on the air below at higher altitudes.


What would be the approximate air temperature at the top of a mountain?

Because mountain is a higher and the air is top and right and left of a mountain.🙂


What happens to the temperature of the air as it flows up over the mountains?

Wind is blowing air up over the mountain. Going from about 1,000 feet at the base to 7,000 feet at the top, the temperature changes as the air goes over the mountain.


What are some differences the air at sea level and the air at the top of a mountain?

At the top of the mountain you feel more colder than the normal temperature.


What is the air pressure at the top of the mountain compared to the bottom of the mountain?

The air at the top of the mountain is going to be much less dense than the air at the bottom of the mountain because it is affected less by gravity.