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When molten magma cools ________ under the surface, it forms _________ igneous rocks.

A. rapidly, extrusive
B. slowly, extrusive
C. rapidly, intrusive
D. slowly, intrusive

User Mtutty
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2 Answers

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A. Rapidly, extrusive
User Frzsombor
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A: rapidly, extrusive
User Tkerwin
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