The earth's crust is made of
- The earth's crust is made of rock
- The earth's crust is made of huge blocks called
- The earth's crust is made of about twenty
- The earth crust is made of many pieces called
- The earth's crust is made of one solid piece
- The earth's crust is made of large pieces called what
- The earth crust is made up of
- The earth's crust is mainly made of
- The earth's crust is made out of
- The earth's crust is made up of separate pieces called what
- The earth crust is made up of huge slabs which are called
- The earth's crust is mostly made of
- The earth's crust is made up of large divisions known as
- The earth's crust is made up of plates moving
- The earth's crust is made up of tectonic plates