Biology
Does diffusion play a role in the passage of water vapour from the leaf during transpiration? If so, how?
Transpiration
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Answer
Yes, diffusion plays a role in the passage of water vapour from the leaf during transpiration. The entire movement of water vapour from a cell into the outside atmosphere is a result of diffusion. The molecules of water vapour, like those of any gas, move from the region of their higher concentration to the region of their lower concentration.
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