There is no one maximum depth for desert blowouts. They vary in depth depending on conditions present at the location. What controls the depth of all blowouts?

A) Force of the moving wind
B) Velocity of water eddy
C) Elevation of water table
D) Amount of water available for dissolution of underlying materials


Answer: C

Environmental & Atmospheric Sciences

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Based on the history of the world-system, once a country is in the periphery, it always remains in the periphery

Indicate whether this statement is true or false.

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During the process of ____________________, rising magma from a subducting plate or mantle plume accumulates

beneath a continent. Fill in the blank(s) with the appropriate word(s).

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In evolution, the organisms that win are

a. big, mean, or smart (preferably all three). b. able to keep the environment adapted to them. c. able to stay adapted to their environment. d. those that have their species around for hundreds of millions of years. e. none of the above

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