Which of the following is NOT true of calderas?
A. They form from the collapse of the ground surface into an emptied magma chamber below.
B. They are bounded by steep topographic scarps with a generally basin-shaped outline.
C. They are produced by removal of easily eroded pyroclastic materials.
D. They commonly contain layers of volcanic ash and volcanic domes.
Answer: C
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A. A B. B C. C D. D
The most likely and direct consequence of a reduced rate of "burial" of sediment in the rock cycle would be
A. increased rates of rock deformation. B. the delayed rate of formation of rock. C. more rapid deposition of more sediment. D. slower rates of uplift of rocks back to the surface.
Nutrient flow in an ecosystem is ________
A) bi-directional B) cyclical C) semi-conservative D) top down E) unidirectional
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A) big box retail stores B) low wage skilled workforce C) regional gaps intensified D) big box retail stores and low wage skilled workforce E) all of the above