Which of these is a part of the biosphere? a. wind b. lakes c. bacteria d. glaciers

B. lakes is a part of the biosphere

Biosphere is defined as " the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms." and a lake is the only thing on the list that could be occupied by a living thing.

The answer is bacteria. Living things are part of the biosphere and bacteria is the only living thing.