What would cause continental crust to become thinner in mountainous regions?
A) erosion, isostatic uplift, and further erosion
B) ?volcanic eruptions
C) ?subduction of continental crust beneath oceanic crust
D) ?extension and contraction of asthenosphere
A
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The final result of the classical theory of the geomorphic cycle concept is ______.
a - maturity b - old age c - youth d - an initial surface e - a peneplain
The greatest earthquakes in the world occur ________.
A. in the interiors of individual plates B. where plates collide with each other C. where plates separate from one another D. where plates slide past each other
Gases are so much easier to squeeze into smaller volumes than liquids or solids because
A) they are so much lighter. B) their atoms or molecules are already moving at high speeds. C) there is so much space in between the submicroscopic particles. D) they are always warmer than liquids or solids.
Suppose the sky is completely covered with a thin, white layered-type cloud. You look at the
ground and see that objects cast a distinct shadow. From this you conclude that the cloud type must be: a. stratus. b. nimbostratus. c. cirrostratus. d. stratocumulus.