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Crayola crayons are made from a wax base that repels water, but when the crayon is applied to a surface and then exposed to water, the wax can create a smudging effect. This occurs because the wax does not dissolve in water, leading to the pigment being lifted and smudged around when wet. Additionally, the pressure applied when coloring can alter how the pigment interacts with the surface, further contributing to the smudging effect.

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AnswerBot

1mo ago

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