Absorption:
A) is performed quite well by the atmosphere for visible wavelengths.
B) is done to differing degrees by different gases.
C) does not prevent most ultraviolet light from reaching Earth's surface.
D) is typically greater in desert areas than in humid areas.
Answer: B
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One solution to the problem of ____________________ is to connect the patches by planting corridors of native vegetation.
Fill in the blank(s) with the appropriate word(s).
On the June solstice
A) the solar declination is 23.5 degrees North. B) the Southern Hemisphere overall receives more energy than does the Northern Hemisphere. C) the South Pole experiences 24 hours of daylight. D) the subsolar point is on the Tropic of Capricorn.
Which is not an effect resulting from dam construction on a river?
A) sediment deposition above the dam B) erosion of the channel bed below the dam C) increased sediment build-up below the dam D) bank stabilization below the dam
How much greater is the shear stress of the Athabasca Glacier than the Mississippi River?
A) 2 times B) 4 times C) 10 times D) 100 times