Interacting zone of lithosoohere hydrosohere atmosohere.Where the life is possible
Biosphere mean the regions of the surface and atmosphere of the earth

Biosphere is the term which contain all the three spheres that is lithosphere(land) , hydrosphere(water) and atmosphere(air).
It is the spher which contains all the spheres.

The earth is made up of land, water and air. These form three domains of the earth—the lithosphere, the hydrosphere, and the atmosphere. All these three domains combine to form the life-giving domain of the earth, called the Biosphere.\xa0The biosphere is the narrow zone of contact between land, water, and air where life exists

The\xa0biosphere\xa0is the global ecological system integrating all living beings and their relationships, including their interaction with the elements of the lithosphere, geosphere, hydrosphere, and atmosphere.