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For the most part, it decreases. How technical do I need to be? There is less volume? The gravitional pull of the Earth isn't as strong? Do I need to take into account temperature? Wind speed? Is it a controlled enviornment? Because vaccumes suck?

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16y ago
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8y ago

the reason is because the higher you go up into the atmosphere, the less amount of air there is pushin onto you, just like in water, at the bottom of the ocean there are millions of gallons on top of you, but at the top there is drastically less water on top of you.
Because there is less air above you to press down on you as you go up towards space (where there is no air).

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14y ago

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.

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9y ago

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

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11y ago

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

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Q: How does air pressure change with altitude. Why?
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