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Pressure moisture speed and colour ratio were all changed together in a blending exercise. Why will analysing the result be difficult?

Answer and explanation

Correct answer: It will be impossible to isolate which factor created each effect

The governing concept is control of variables. If pressure, moisture, speed and colour ratio change in the same trial, the visible result may come from any one factor or from their interaction. Option B is correct because cause and effect cannot be isolated. Drying is a separate material issue, while brush breakage and paper-size change do not logically follow from changing these variables.

Related tags

Controlled PracticeVariablesBlending AnalysisCause And EffectColour Filling And BlendingPainting TechniquesArt EducationClass 9 Mcq

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