Question

What are the three main parts of the geosphere?

lithosphere, crust, core
hydrosphere, crust, core
lithosphere, mantle, core
crust, mantle, core

Answer 1

There are many spheres aside the geosphere; like the atmosphere, hydrosphere, lithosphere and many others. But the geosphere is the earth itself. It is the solid part of the earth.
The three main parts of the geosphere:
1. Crust
2. Mantle
3. Core