Chemistry, 13.03.2020 21:54 DRock4976

What does "very little rock on the surface of the earth has remained fixed in its original rock type" mean?

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What does "very little rock on the surface of the earth has remained fixed in its original rock type...

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Chemistry, 18.03.2021 02:50

The student who answers the riddle will get the prize ? underline pronoun....