Question

Define diffusion
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Answer 1

Answer:

the act of spreading or allowing to spread freely. 2 : the mixing of particles of liquids or gases so that they move from a region of high concentration to one of lower concentration. diffusion.

Answer 2

Answer:

Diffusion :

is the movement of substance or material from its higher concentration to lower concentration.

Importance of Diffusion

• For Respiration
• Exchange of Gases
• Transpiration - ( loss of water through vapour from plant leaves)

Hope it helps you.