Rocks are divided into 3 major groups Igneous rocks are formed by the cooling of magma (below the surface) or lava (above the surface).
(Rocks; are divided; into 3 major groups Igneous) (rocks; are formed; by the cooling of magma (below the surface) or lava (above the surface)
Rocks rocks
are divided are formed
into 3 major groups Igneous
by the cooling of magma (below the surface) or lava (above the surface