Diffusion is: A. the movement of a substance across a membrane. B. the movement of a substance by osmosis. C. the movement of substances from an area of low concentration to an area of high concentration. D. the tendency of molecules to move in space due to kinetic energy.

a.

Explanation:

Movement of things from a region of high concentration to a region of low concentration through semi-permeable membrane is refereed to as diffusion.

There are two types of diffusion:

concurrent jurisdiction is the ability to exercise judicial review by different courts at the same time, within the same territory, and over the same subject matter. for instance, a domestic violence matter may be heard in either a general civil court or a family court in the same county. whichever court actually exercises its jurisdiction first will do so exclusively.

aristocracy, timocracy, oligarchy, democracy, theocracy and tyranny

explanation: