Igneous rocks that cool and crystallize on the Earth's surface are called extrusive igneous rocks .
(Igneous rocks; cool; ) (Igneous rocks; crystallize; L:on the Earth's surface) (Igneous rocks that cool and crystallize on the Earth's surface; are called; extrusive igneous rocks)
Igneous rocks Igneous rocks Igneous rocks that cool and crystallize on the Earth's surface
cool crystallize are called
L:on the Earth's surface
extrusive igneous rocks