The earth's crust is mostly composed of

- The earth's oceanic crust is composed mostly of
- Earth's crust is mostly composed of what elements
- Earth's crust is composed mostly of which two elements
- Earth's crust is composed mostly of which two materials
- What material is the earth's crust mostly composed of
- The part of earth which is composed mostly of rocks the crust and outer mantle
- The part of earth's crust that makes up the seafloor and is composed mostly of basalt
- The part of earth's crust that makes up the landmasses and is composed mostly of granite
- The crust is made mostly of
- The earth's crust is composed of
- The earth's crust is made up of
- Earth's crust is made up of quizlet