what is the scientific name for rocks formed from lava A extrusive, B intrusive, C rhyolite, D gabbro

Answer 1

The correct answer is A extrusive.

Extrusive rocks are formed from lava that cools and solidifies on the surface of the Earth, whereas intrusive rocks (like gabbro) form from magma that cools slowly beneath the surface. Rhyolite is a specific type of extrusive rock, and gabbro is an intrusive rock.