The greatest planetary pool of nitrogen is ________
A) the lithosphere
B) the hydrosphere
C) in fossil fuel deposits
D) the atmosphere
E) the biosphere
D
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Weathering is most intense in the
A. A-horizon. B. B-horizon. C. C-horizon. D. parent material beneath a soil.
Class distinctions arise from all of the following except
A. wealth B. education C. inheritance D. age
Which of the following is TRUE about China?
A) It has no large cities. B) Great poverty remains in the interior. C) Economic growth has been stagnant since World War II. D) It has always been a capitalist country. E) It receives virtually no foreign investment.
In what setting does the thickest sediment accumulate in the oceans?
A. mid-ocean ridges in any location in the ocean B. continental shelves and slopes along passive margins C. oceanic trenches in the middle of the ocean D. abyssal plain in the middle of the ocean