Answer:
Diffusion is a very slow process. If multicellular organisms used diffusion to meet all requirements of food, exchange of gases or removal of wastes it would take too much of time for carrying.
Explanation:
2e
Explanation:fdsas
It is 4. the reproductive cycles of males and females are regulated by hormones
in my opinion lol
Why : bc our mind is still active even while we r sleeping i think
What: to imagine things that will never happen but what we want.
4
i got it right
hope that helped ;)
