What is the outer layer of the earth's crust called
- What is the lower layer of earth's outer crust called
- What is the outer physical layer of the earth is called which includes the crust and outer mantle
- What is the solid outer crust layer and the top portion of the mantle layer of the earth called
- What is the rigid outer layer of earth called which is made up of the crust and the upper mantle
- The outer layer of the earth is called