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A student compared plants under different light levels but the plants had very different initial heights. What is an appropriate improvement?

Answer and explanation

Correct answer: Select plants of similar initial size or measure change in growth

Similar starting size or measuring change in growth makes the comparison fairer. In exams control initial differences.

Related tags

Initial ConditionsFair ComparisonPlant GrowthLightScientific Questions And ObservationsExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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