Answer: Creo que es B
Explanation:
P.S(eso fue muy difícil. Lo siento mucho si se equivoca.)
The biosphere. This is the layer that contains all life on the planet.
I'm pretty sure that it's C. I'm not quite sure though.
28 find that the cell spends in prophase (number of cells in prophase divided by the total # of cells (36) multiplied by 100)