The movement of a substance from an area of high concentration to an area of less concentration is called

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Diffusion is the movement of a substance from an area of high concentration to an area of less concentration. Active transport requires energy, endocytosis is the movement of a substance into a cell, facilitated diffusion requires a protein carrier, and osmosis is the movement of water across a semipermeable membrane.

The Movement of a Substance from an Area of High