When is facilitated diffusion necessary? a.) When the molecules are too large.

b.) When the molecules are insoluble.

c.) When the direction of movement is opposite to natural diffusion.

d.) none of the above

What happens during interphase? (1)the nucleus grows to its full size. (2)the cell grows to its full size. (3)the nucleus divides into two nuclei. (4)the cell divides into two cells.

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Pls need ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.