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A student investigates the relationship between light intensity and photosynthesis rate. The distance between the lamp and plant is changed. Which direct variable changes when distance is reduced?

Answer and explanation

Correct answer: Light intensity

Moving the lamp closer changes the light intensity reaching the plant. In exams connect the changed distance with the actual causal variable.

Related tags

Light-IntensityPhotosynthesisIndependent-VariableDistanceHypothesis And ExperimentationExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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