why does air pressure decrease at higher altitudes?

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why does air pressure decrease at higher altitudes?

2007-02-07 09:28:13 · 2 answers · asked by dizzle 1 in Science & Mathematics ➔ Weather

2 answers

Air is less dense at as you go higher. Less density, less pressure from air.

2007-02-07 09:35:44 · answer #1 · answered by jasohn1 3 · 0⤊ 0⤋

Air pressure is the weight of the air above any level. Therefore as you go higher in the atmosphere, the amount of atmosphere above you decreases and hence so does the air pressure.

2007-02-07 09:46:29 · answer #2 · answered by 1ofSelby's 6 · 0⤊ 0⤋