Question

What does grain size generally indicate about the cooling of a melt? Choose one: A. Larger crystals indicate the melt cooled at a deeper depth. B. Larger crystals indicate the melt cooled gradually. C. Larger crystals indicate the melt cooled at a shallower depth. D. Larger crystals indicate the melt cooled rapidly.

Answer 1

A. Larger Crystals Indicate the melt cooled gradually