Question

Define biosphere. Why is it important for us?

Answer 1

Biosphere is the layer in which all realms of life and natural habitat takes place.
It's important to us because it gives protection from the ultraviolet rays of sun

Answer 2

hey
here is your answer

biosphere is the realm of 3 layers of earth namely lithosphere, hydrosphere and atmosphere. it is important because it contains natural features such as air, water which are important for our survival
hope it helps you