The answer is A.) particles need to collide in order to react.
Osmosis<span> is the movement of water and is always the movement in the membrane.</span>Diffusion<span> does not need a membrane to make molecules and </span>Diffusion<span> is the movement of molecules. they do not require energy, they both move from a high concentrate to a low concentrate, and they both occur in plants and animals.</span>
A. Bb, Ff
B. Bb, Ff
C. Big Teeth, Freckles.
D. Big Teeth, Freckles.
this is just my best guess for the first four answers. itś been years since ive done this so only use these answers if desperate.