Acid deposition is properly defined as the ____ deposition of ____ pollutants onto the earth's surface.
A. wet; primary
B. wet; secondary
C. wet and dry; primary
D. wet and dry; secondary
E. dry; primary
Answer: D
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A wave moves from the open ocean to the shore-but what is actually traveling from one place to another?
A. water molecules B. salt C. wind D. energy
A long sand body more or less parallel with a shoreline but separated from it by a lagoon is a ____
a. delta b. barrier island c. drift d. tidal flat e. varve
Which of the following is not true of first generation stars?
A) They have violent, explosive deaths. B) They are composed primarily of hydrogen. C) They are massive. D) They are short-lived. E) They are very dense.
On a map showing the age of the seafloor, why are the patterns symmetrical in the Atlantic Ocean but not the Pacific Ocean?
A. Spreading in the Atlantic has been faster than sea-floor spreading in the Pacific. B. Subduction has consumed large areas of old oceanic crust in the Atlantic, more than in the Pacific. C. Spreading along the Atlantic ridge added seafloor to plates on both sides, while subduction has consumed large areas of old oceanic crust in the Pacific. D. Subduction occurred at the same rate along the eastern and western sides of the Atlantic, but not in the Pacific.