What is the earth's crust mostly made of
- What is the earth's crust mostly made up of
- What element is the earth's crust mostly made of
- What is the earth's crust mostly made out of
- What is the earth's crust mostly made of the land
- What rock is the earth's crust mostly made of
- What mineral is the earth's crust mostly made of
- What type of rock is the earth's crust mostly made of
- The earth's crust is mostly made of quizlet
- The earth's crust land is mostly made from what type of rock
- The earth's crust is mostly made up of what type of rock
- The earth's continental crust is mostly made of what kind of rock
- The earth's oceanic crust is mostly made of what kind of rock