How does pressure change as you increase in altitude within your atmosphere?

Air pressure decreases with increasing altitude

When altitude increase, oxygen will decrease

The higher up you are the lesser the air pressure in the atmosphere.

Air pressure change in each layer of the earth as altitude increases due to variation in the density of air. At high altitude, air pressure is low due to less density of air up there..while at sea level..air pressure is at utmost of it due to increase in the density of air.

Atmospheric pressure decreases with altitude because air has weight. As you gain altitude, you have less air above you and therefore less weight (pressure).

As altitude increases so air pressure reduces, until the limit of our atmosphere is reached. After which the vacuum of space is entered.

As the amount of air above us decreases...the air pressure decreases.

air grows thinner so it gives less pressure on the earth's surface

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Barometric pressure reduces with altitude.

The density of the atmosphere decreases with altitude.

The atmospheric pressure decreases as the altitude increases.

Air pressure decreases as altitude increases.

It equalizes the pressure between the middle ear and the atmosphere. This is what causes your ears to "pop" when you change altitude.

Increased altitude means decreased air pressure.

Yes; the pressure and temperature decreases with higher altitude.

since there is less gravity when you go higher in the atmosphere, there is less air being pulled down and causes the reduce of air pressure.

The higher up you are, the less air pressure. The air thins out the higher you go, thus leaving less air in the atmosphere to push you down.

The higher up you are, the less air pressure. The air thins out the higher you go, thus leaving less air in the atmosphere to push you down.

The rate of change of air pressure as a function of increasing altitude decreases with increasing altitude.

Altitude doesn't change uniformly because the four main layers of the atmosphere have different temperature gradients, creating the thermal structure of the atmosphere.

Water boils when its vapor pressure equals the vapor pressure of the surrounding atmosphere. The atmosphere surrounding the water exerts a pressure, preventing gas molecules escaping from the surface. At higher altitudes, this pressure is much lower so water will boil at a lower temperature.

It decreases not just because of gravity. The pressure decreases because there is less air above you. As you increase your altitude, just like if you were coming up from deep under the water, there will be less fluid on top of you pushing down, so the pressure will decrease.

Air pressure falls of as one gains altitude. At high altitude the air pressure is very low but it does not "falls drastically", which implies a sudden change.

The melting point of a substance does change with altitude. All due to atmospheric pressure, makes different elements behave differently.