Air pressure is due to the

A. speed of the wind.
B. force of the wind.
C. weight of overlying air.
D. weight of water vapor in the air.


Answer: C

Environmental & Atmospheric Sciences

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What will be an ideal response?

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In the accompanying hydrograph for a major river, a flood was caused by a single episode of heavy rainfall 50 kilometers upstream. When did the rain most likely occur?



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B) At time B
C) At time C
D) At time D

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In a region of eastern Washington State known as the Palouse, farmers grow wheat on steep, sloped hills. Which of the following agricultural practices might be of greatest benefit in this region?

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Which of the following is a basic structural component of the most common mineral group?

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