diffuse (adj): scattered: (v): to spread out or scatter
The experiment tested how fast water would diffuse across a membrane or thin layer of tissue.
Based on the dictionary definition, what does water do in the experiment in the sentence above?
A.It breaks the layer of tissue down into smaller layers.
B.It remains contained on one side of the layer of tissue.
C.It extends to the other side of the layer of tissue.
D.It dries up so as to leave the layer of tissue unchanged.