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In a photosynthesis experiment sodium hydrogen carbonate is added to increase carbon dioxide availability. Why should its amount be kept constant when testing light intensity?

Answer and explanation

Correct answer: So carbon dioxide does not confound the result

Carbon dioxide also affects photosynthesis rate so it must be controlled. Identify all major limiting factors in exams.

Related tags

PhotosynthesisCarbon DioxideControl VariableLight IntensityHypothesis And ExperimentationExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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