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Which statement about metamorphic and sedimentary rocks is true?

A. Both types of rocks form under high temperature, but sedimentary rocks also require high heat.
B. Only metamorphic rocks show signs of rock layers.
C. Both types of rocks form under high pressure, but metamorphic rocks also require high heat.
D. Both types of rocks result from the cooling of magma.
E. Either type of rock can be classified as intrusive or extrusive.



Answer :

GinnyAnswer

Final answer:

Metamorphic rocks form through alterations in pre-existing rocks due to heat and pressure.


Explanation:

Metamorphic rocks are formed when pre-existing rocks are altered by heat and/or pressure. The increase in pressure and temperature can lead to the formation of metamorphic rocks by changing the physical and chemical properties of existing rocks. Metamorphic rocks can exhibit foliation patterns due to the rearrangement of minerals under these conditions.


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