Question

_______ is a dark, fine-grained extrusive rock.

1) Granite
2) Basalt
3) Tufa
4) Shale
5) Conglomerate

Answer 1

Basalt is a dark, fine-grained extrusive rock formed from rapidly cooled lava on the surface of the Earth. It is composed mainly of dark-colored minerals and is commonly found in volcanic regions.

Step-by-step explanation:

Basalt is a dark, fine-grained extrusive rock. It is an igneous rock that forms from rapidly cooled lava on the surface of the Earth. Basalt is composed mainly of dark-colored minerals such as pyroxene and olivine. It is commonly found in volcanic regions and is often used in construction for its durability.