Question

what is biosphere and hydrosphere

Answer 1

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

Hydrosphere is the layer of water at or near Earth's surface. It includes all liquid and frozen surface waters, groundwater held in soil and rock, and atmospheric water vapour. 

Answer 2

Biosphere(bio means life)is the region where living organisms are present..Hydrosphere(hydro means water)is the place for water or other water sources...