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What is the most likely reason why blue-green samples made by two students look different?

Answer and explanation

Correct answer: Different blue-green ratios or pigment biases

The governing concept is that a mixed tertiary colour depends on both proportions and pigment characteristics. Two students may use different amounts of blue and green, or their paints may contain slightly different pigment biases, producing different hue, value, or saturation. Option A is therefore correct. Blue-green can function as a tertiary hue in this school colour context; paper size does not always change colour, and adding only red would not produce the stated blue-green mixture. Recording quantities helps identify the cause.

Related tags

Tertiary ColoursBlue-GreenPigment BiasColour VariationColour TheoryArt EducationClass 9 Mcq

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