Question

Granite is a type of igneous rock. What determines the size of the crystals that form in a sample of granite?

A.
how many impurities are in the granite
B.
how quickly the rock cooled
C.
how large the sample is
D.
how many times those minerals have been in granite before

Answer 1

Granite is a type of igneous rock. What determines the size of the crystals that form in a sample of granite?

B.

how quickly the rock cooled