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Why does the pressure decreases when you are in a high mountain or in the peak of the mountain?
Wiki User
∙ 15y ago
Air pressure is the weight of the air above you. When you ascend to some altitude
above the Earth's surface, part of the air is beneath you, so the weight of the air
above you, and therefor the pressure where you are, is reduced.
Exactly the same reason that the pressure on the football player in the middle of the
pile-up is less than the pressure on the guy with the ball, at the bottom of the pile.
Mark Greenholt
Wiki User
∙ 15y agoBecause air has a mass, and therefore a weight like all other things. On surface level, we have some kilometres of air over us. To put it a bit simplified, this air weighs down on us. If you venture up a mountain (or in a plane for that matter), its simply less air above you, which makes the weight of the air you "carry", lighter. So, a set volume of air at surface level contains more air than the same volume higher up.
Wiki User
∙ 14y agoAtmospheric pressure decreases with altitude.
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