What is the crust layer made up of
- What is the rigid layer made up of crust and upper mantle
- What is the outer layer of earth's crust made up of
- What is the topmost layer of earth crust made up of
- What layer is made up of both the crust and uppermost mantle
- What is the outermost layer of the earth made up of the crust and upper mantle called
- What is the layer of the earth that is made up of the crust and upper mantle called
- What is the layer made up of the crust and the uppermost part of the mantle
- What layer of the earth is made up of the crust and upper mantle