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What effect may finger oil on paper have on later graphite layers?

Answer and explanation

Correct answer: Graphite may adhere unevenly and create stains

Finger oil can leave a thin, slick film on the paper fibres. Because graphite does not settle on that film in the same way as it settles on clean paper, later layers may appear patchy, slippery, or stained. This is an unwanted surface problem, not a controlled change in pressure or value. Oil will not make graphite more even, harden the paper, or clean a highlight. Thus, option B is correct.

Related tags

Pencil ShadingGraphite TechniqueBlendingPaper SurfaceFinger OilDrawing BasicsArt EducationClass 9 Mcq

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