It would be the mitosis of the body cells
Hope this helps :)
It is B because cells are basic and they grow everything that you see around you
It contracts hope that helps
The oxygen cycle can be found in all but the geosphere. There's oxygen in the atmosphere, so it has to be there, and the biosphere includes living things, which breathe oxygen, and water (hydrosphere) is made up of partly hydrogen, so there has to be oxygen there as well.
Cellular respiration (cells covert nutrients into atp)
