Pls HELPPP Which statement describes how diffusion works?

Molecules always move from inside of the cell to outside of the cell.
Molecules always move from areas of high concentration to low concentration.
Molecules always move from areas of low concentration to high concentration.
Molecules always move from of outside the cell to inside of the cell.

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Two atoms interact with each other as shown by the equation. complete the equation by filling in the missing parts. 1 2 3 4 5 h he li

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