Through the process of simple diffusion, materials move across a cell membrane

a.

from an area of higher concentration to an area of lower concentration.

b.

from an area of lower concentration to an area of higher concentration.

c.

between areas of equal concentration.

d.

all of these

i need this

the answer is b ) square root of 5

he made 11 calls in one day

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.