The sky is blue because air molecules selectively ____ blue light
a. ?scatter
b. ?absorb
c. ?diffract
d. ?disperse
e. ?emit
ANSWER: a
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Which of the following statements explains why a stationary front does not move?
A. The winds blow parallel to the front. B. The front is between high and low pressure. C. The winds blow against each other and are of equal strength. D. The winds on both sides of the front are calm.
The input of anthropogenic carbon dioxide into the atmosphere
A) comes primarily through deforestation. B) does not affect the rate at which the ocean absorbs carbon dioxide. C) comes primarily from the Northern Hemisphere. D) has been significant from a climate standpoint since the late sixteenth century.
A(n) ________ marks the site where old, oceanic lithosphere begins its descent into a subduction zone
Fill in the blank(s) with correct word
A ____ is a rotating column of air that is connected to a cumuliform cloud over a large body of water
a. cumulus tornado b. waterspout c. landspout d. spicket tornado e. funnel cloud