There is an igneous rock where all crystals are visible and the same size. Knowing only these two facts, what can be said about the cooling history of this rock?
W) It cooled in stages, at different levels within the crust
X) It cooled rapidly near the surface
Y) It cooled on the surface and was quenched
Z) It cooled slowly, at one time, at depth
✔️Answer:Z) IT COOLED SLOWLY, AT ONE TIME, AT DEPTH
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