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What may cause edges to pull inward and become irregular while a colour layer dries?

Answer and explanation

Correct answer: Uneven distribution of moisture and paint thickness on the surface

The governing concept is uneven drying and shrinkage. If moisture or paint thickness varies across the surface, some areas dry and contract sooner than others. This unequal movement can pull edges inward and create irregular contours, making option A correct. Even brush loading, a level stable surface, and slow controlled drying generally reduce such distortion instead of causing it.

Related tags

Paint-DryingMoisture-ControlColour-LayerIrregular-EdgesColour Filling And BlendingPainting TechniquesArt EducationClass 9 Mcq

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