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At different places on Earth, depending on elevation, air pressure varies. What causes air pressure?
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At different places on Earth, depending on elevation, air pressure varies. What causes air pressure?

At different places on Earth, depending on elevation, air pressure varies. What causes-example-1
User Kael
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Answer: I'd say the weight of air. Air pressure is caused by the weight of the atmosphere pressing down on a location. At sea level, air pressure is greatest because it is caused by the weight of the entire column of the atmosphere at that altitude over that location.

Step-by-step explanation:

User Steve Kennedy
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Weight of air ( A )

Air pressure is caused by the weight of the air molecules above. Even tiny air molecules have some weight, and the huge numbers of air molecules that make up the layers of our atmosphere collectively have a great deal of weight, which presses down on whatever is below.
User Sanbornc
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