Answer the following question briefly

Explanation:
The  Lithosphere is nothing but the solid portion of the earth.
The lithosphere mainly consists of the rocks of the earth’s crust and the thin layers of soil that contain nutrient elements which sustain living organisms.
The earth’s surface is mainly divided into continents and oceans.

Final Answer:
The solid portion of the earth is called the Lithosphere which consists of rocks and thin layers of soil.