How do igneous rocks form?
from dirt and rocks pressed together
from heat and pressure under the crust
from cooling magma
from crust pressure
The thickest layer of the Earth is the
The most common mineral in the Earth's crust is
What makes minerals different from humans, animals and plants?
Minerals are made of biotic materials.
Minerals are all green blue agate.
Minerals are metaphoric.
Minerals are inorganic.
Heat and pressure will form