Examine the rock sample here. Did it form at or below Earth's surface? How do you know?

A) It formed at the surface, because of its color (composition).
B) It formed at the surface, because of its texture (grain size).
C) It formed below the surface, because of its color (composition).
D) It formed below the surface, because of its texture (grain size).


Answer: D

Environmental & Atmospheric Sciences

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