Answer:
diffusion is process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration.
Explanation:
A familiar example is the perfume of a flower that quickly permeates the still air of a room. ion diffusion across a semipermeable membrane.
I'm not sure, but I think the answer might be false, because I'm pretty sure you can feel if someone or something is pressing down on your leg or arm.
Answer:
By running them under water. The water will separate the rocks from the dirt.
Answer:
each sex has these traits, but with some, like aggression, I feel can be more "biased", so to speak, to the male sex
Explanation:
