What is the upper layer of the earth called
- What is the upper most layer of the earth called
- What is the upper layer of the earth's atmosphere called
- What is the rigid upper layer of the earth called
- What is the upper layer of the earth's mantle called
- What is the upper layer of the earth crust called
- What is the upper thin layer of earth called
- What is the upper layer of the earth made up of plates called
- What is the earth's crust and upper layer of the mantle called
- What is the upper layer of earth in which plants grow called
- What is the combined layer of the earth's crust and upper mantle called
- What is the layer of the earth that is made up of the crust and upper mantle called