Question

which of meant by biosphere?​

Answer 1

Answer:

The biosphere, (from Greek bios = life, sphaira, sphere) is the layer of the planet Earth where life exists. ... The biosphere is one of the four layers that surround the Earth along with the lithosphere (rock), hydrosphere (water) and atmosphere (air) and it is the sum of all the ecosystems. The biosphere is unique.

Answer 2

Answer:

The regions of the surface and atmosphere of the earth or another planet occupied by living organisms.