What is osomsis and diffusion

Osmosis is the movement of solvent particles across a semipermeable membrane from a dilute solution into a concentrated solution. ... Diffusion: Diffusion is the movement of particles from an area of higher concentration to lower concentration. The overall effect is to equalize concentration throughout the medium.

answer; (d) spontaneous processes are characterized by the overall conversion of order to disorder;

when heated, the valance electrons increased their speed and transferred the heat from electron to electron.   i just took the test.