Why Does the Atmosphere Become Less Dense as Altitude Increases?

Answer

The atmosphere becomes less dense as altitude increases because gravitational force decreases considerably as one goes higher up. As a result, the earth is not as capable of drawing a dense layer of gases near it.
Q&A Related to "Why Does the Atmosphere Become Less Dense as..."
because as you go up, there's less gravity and gravity causes things to be dense.
http://wiki.answers.com/Q/Why_does_the_atmosphere_...
As Earth's surface absorbs radiation from the Sun,
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Atmospheric pressure is a result of the total weight of air above a certain point, and the amount of air decreases as you move farther away from the earth. This is a balance of gravity
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When using this website please use common sense. The information provided on this site is intended for your general knowledge only and is not a substitute for professional advice.
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