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In which option have the independent and controlled variables been incorrectly exchanged?

Answer and explanation

Correct answer: Plant height changed and fertilizer amount measured

Plant height is normally measured as an outcome while fertilizer amount is changed. Their roles are reversed in the third option.

Related tags

Variable IdentificationIndependent VariableControlled VariableVariables In An ExperimentExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScienceClass 9 Mcq

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