When examining metamorphic rocks it is important to understand
A. that the tremendous pressure has affected the overall chemical composition of the rock.
B. that the starting composition of the original rock will have no influence on the metamorphic rock that forms.
C. that the amount of pressure is relatively unimportant in metamorphic rocks.
D. that the rocks have melted and recrystallized to form the rock.
E. that the heat and pressure involved partly influences which minerals will form in the metamorphic rock.
Answer: E
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