Answer:
The lithosphere
Step-by-step explanation:
The lithosphere is the sphere of the Earth that is made up of the crust. It contains all the landforms on the planet and is found below the atmosphere. the lithosphere is begins the surface and extends down to the uppermost parts of the mantle. All these zones are the planet are know for being rigid, the main feature of the lithosphere. The depth of the lithosphere depends on where one is located, but this layer is thicker on the continents and shallower under the oceans.