Sagot :
The answer is false. There are three spheres on earth: atmosphere, lithosphere and hydrosphere. The lithosphere is at the bottom and other two are overlapping it.
The statement above is FALSE.
There are four main spheres on the earth, these are atmosphere, lithosphere, hydrosphere and the biosphere. The hydrosphere is composed of all forms of water that exist on the planet earth. Thy hydrosphere extends downward into the lithosphere and upward into the atmosphere. Thus, the hydrosphere overlap with other spheres.