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?
evaporation
distillation
filtration
chromatography

It is chromatography.

Step-by-step explanation:

when water or dye passes through a medium and changes color then that means it must be chromatography.

D) Chromatography

Step-by-step explanation:

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answer:

it is 28 degrees colder in detroit than philadelphia.

step-by-step explanation:

what number adds to 21  

-7 + ? = 21

-7 + 28 = 21

hope it