Oxygen because we need it to breath if that’s the wrong anwser sorry but it should be right
Multicellular is the word you're looking for ;-)
Option A, When cells undergo meiosis, the cells of sexual reproduction are divided into two parts, the first is the meiotic division that is reductional division, and the second is an equational division because they have the same number of chromosomes of the stem cell And in this situation, there is no duplication of DNA.
I’m not sure but I think is the answer C
