Verified Answer :

Hagrid

When a drawing made with a black marker gets wet, the marker bleeds and
more separates into several colors. This type of separation can be described as
chromatography.  The mobile phase is the
black marker and carries components that have different rates of flow. that is
why you see several colors in the ink.

Answer:

chromatography is the answer just took the test hope this helps!!!!

Explanation:

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