Question

9. Diffusion is a
movement of a substance from a region of high
concentration to a lower concentration​

Answer 1

Answer:

Yes, you are correct!

Explanation:

Diffusion is the movement of a substance from an area of high concentration to an area of low concentration. Diffusion happens in liquids and gases because their particles move randomly from place to place. Diffusion is an important process for living things; it is how substances move in and out of cells.

Answer 2

Answer:

Correct

Explanation:

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