Which describes granite and basalt?
a.
granite is a fine-grained extrusive igneous rock, while basalt is a coarse-grained intrusive igneous rock.
b.
granite is a coarse-grained intrusive igneous rock, while basalt is a fine-grained extrusive igneous rock.
c.
both granite and basalt are fine-grained intrusive igneous rocks.
d.
granite is a coarse-grained extrusive igneous rock, while basalt is a fine-grained intrusive igneous rock.