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doit_the_clown doit_the_clown
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7 years ago
The pressure in the atmosphere of the Earth (or of any other planet) varies with height in what characteristic way?
A)   It remains constant with increasing height.
B)   It decreases by a fixed fraction each interval of height (down by ½ every 5.5 km on the Earth).
C)   It decreases and increases several times with increasing height, following the temperature variation.
D)   It decreases by a fixed amount per unit height interval (20% of surface pressure every 5.5 km on the Earth).
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Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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