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What are two conditions needed to change a pre-existing rock into a metamorphic rock
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What are two conditions needed to change a pre-existing rock into a metamorphic rock

User Samvermette
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1 Answer

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Answer:

Heat and pressure.

Step-by-step explanation:

Because heat and pressure changes the arrangement of molecules in the rock. It goes through a chemical and physical change.

User Needpoule
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