The answer that is true of meiosis is that D) it divides one diploid cell into four haploid cells.
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.
I am pretty sure that the answer is codominant.
Answer:
viruses are not alive because:
they do not make their own membranes.
they don't have cytoplasm or ribosomes.
they have only one nucliec acid.
they have no metabolism outside the cell.
they don't move.
Explanation:
all these statements are true.