Which best describes the difference between osmosis and diffusion?

a. osmosis is the movement of particles from a high to low concentration, while diffusion is the movement of water from a low particle concentration to a high particle concentration.
b. diffusion is the movement of particles from a high to low concentration, while osmosis is the movement of water from a low particle concentration to a high particle concentration.
c. diffusion is the movement of particles from a low to high concentration, while osmosis is the movement of water from a high particle concentration to a low particle concentration.
d. osmosis is the movement of particles from a low to high concentration, while diffusion is the movement of water from a high particle concentration to a low particle concentration.