The biosphere contains several layers of Earth. Which layer is not included in the biosphere?

Question

A: Hydrosphere
B: Mantle
C: lithosphere
D: atmosphere

Answer 1

B. Biosphere, relatively thin life-supporting stratum of Earth’s surface, extending from a few kilometres into the atmosphere to the deep-sea vents of the ocean. The biosphere is a global ecosystem composed of living organisms (biota) and the abiotic (nonliving) factors from which they derive energy and nutrients.

Answer 2

Mantle