How are diffusion and osmosis the same and how are they different

Diffusion sees molecules in an area of high concentration move to areas with a lower concentration, while osmosis refers to the process by which water, or other solvents, moves through a semipermeable membrane, leaving other bits of matter in its wake.

Diffusion sees molecules in an area of high concentration move to areas with a lower concentration, while osmosis refers to the process by which water, or other solvents, moves through a semipermeable membrane, leaving other bits of matter in its wake.

Explanation:

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."