Answer:
every biome that has living things
Explanation:
In simple words, The biosphere relates to one part of the four surfaces that cover the Planet, including the earth's crust (rock), the troposphere (water) and the environment (air) and is also the aggregate of all organisms. It's a rare biosphere. There seems to be no creation of life somewhere else in the world so far, as no other planed have a stable and life preserving biosphere.
A sounds correct, and B is wrong for sure.
It's caused by Alzheimer's and vascular dementia
