which statement about metaporphic rocks is correct?
A they are formed when rocks are heated until they melt
B rocks don't exist for long periods of time
C they are only formed from heated sedimentary rocks
D they are formed from all types of rock when they are heated and compressed
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Answer:
D
Explanation:
because metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors.