Question

1. which rock most likely formed underground from slow - cooling magma? (1 point)

pumice
scoria
obsidian
gabbro
tuff

Explanation:

Pumice, scoria, obsidian, and tuff are all volcanic rocks that form from lava (magma that reaches the Earth's surface) and cool quickly. Gabbro, on the other hand, is an intrusive igneous rock. Intrusive igneous rocks form from magma that cools slowly beneath the Earth's surface.

Answer:

gabbro