Multiple Choice
An igneous rock is fine-grained. What kind of rock is it, and how did it form?
A) a volcanic rock; it cooled quickly on the surface of the earth
B) a plutonic rock; it cooled quickly beneath the earth's surface
C) a hydrothermal rock; it cooled underwater
D) a chemical rock; it cooled by the mixing of certain chemicals
Correct Answer:
Verified
Correct Answer:
Verified
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