Which set of movements can make substances go from an area of high concentration to areas of low concentration? *

Diffusion is the movement of molecules from an area of higher concentration to area of lower concentration.

Explanation: Diffusion is a type of passive transport in which molecules moves from a region of higher concentration to the region of lower concentration. In passive transport, molecules moves from one place to another place without the use of energy.

For example, if a person spray perfume in one corner of the room after sometime the scent of perfume will be smelled in other corner due to diffusion.

it would be c. xylem.

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.