Which of the following igneous rocks would be formed by the fastest cooling?

A. very coarse granite pegmatite
B. volcanic glass
C. fine-grained granite
D. medium-grained granite
E. coarse granite


Answer: B

Environmental & Atmospheric Sciences

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Geographically speaking, the most important currents ________

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A. An underwater ocean cave B. a forest habitat C. an aquarium D. A cave with abundant life that was sealed off from the outside world during a landslide 100 years ago.

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