Question

what are high concentration and low concentration?​

Answer 1

Answer:

A concentration gradient occurs when a solute is more concentrated in one area than another. “Concentration” refers to how much of a solute there is compared to solvent. ... Some life forms use this tendency of solutes to move from an area of high concentration to low concentration in order to power life processes..

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Answer 2

Explanation:

A concentration gradient occurs when the concentration of particles is higher in one area than another. In passive transport, particles will diffuse down a concentration gradient, from areas of higher concentration to areas of lower concentration, until they are evenly spaced.