When a drawing of a circle made in the center of a piece of paper with a black marker gets wet, the marker bleeds, and as the water moves through the paper the ink separates into several colors. What method of separation does this describe?

This describes chromatography. As water moves through the paper, it carries the different pigments in the marker at different speeds, causing them to separate into colored bands. Evaporation removes a liquid, distillation separates substances by boiling and condensing, and filtration separates solids from liquids.

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