I think its C... but I'm not too sure. I did some research and couldn't find exactly what you were looking for but, I found loopholes and I think since when the cell increases, the surface area does not affect cell divisions steps. Therefore, I don't think it would change any other way...
Demonstrative pronoun is the answer.
The carbon lives in the plant or animal and when it dies, nitrogen sinks into the soil which is used as nutrients for plants.
The biome with the most diverse communities of organisms is the rainforest.
Which environment are you talking about? is there any answer choices