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Farmer-Rick

(11,913 posts)
2. This is a bit confusing
Mon May 8, 2023, 10:09 AM
May 2023

He starts out talking about a drop of dye spreading throughout a cup of water and then a particular odor spreading through the air.

And the next paragraph he talks about water diffusing through a membrane. A different thing.

OK, I see that the whole article is about diffusion through a membrane and this is just a clip out of the middle of the article.

Now it makes sense.

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