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BlazingSciencist09

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 .

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Answer:

diffusion is a means of transport, which occurs through cells . for example exchange of gases that takes place in alveoli occurs due to diffusion.

Explanation:

in diffusion the object or fluid moves from region of higher concentration to the region of lower concentration.

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