Question

What is diffusion?
points​

Answer 1

Answer:

Diffusion is the net movement of anything from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in concentration. The concept of diffusion is widely used in many fields, including physics, chemistry, biology, sociology, economics, and finance.

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Answer 2

Answer:

• Diffusion is the movement of a substance from an area of high concentration to an area of lower concentration .

• Diffusion occurs in liquids and gases when their particles collide randomly and spread out.

• Diffusion is an important process for living things - it is how substances move in and out of cells.

• eg: exchange of gases in alveoli

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