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Which variable is kept constant to make an experiment fair?

Answer and explanation

Correct answer: Controlled variable

Keeping controlled variables constant allows only the independent variable's effect to be observed. In exams identify the fair-test condition.

Related tags

Controlled-VariableFair-TestConstantVariables In An ExperimentExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScienceClass 9 Mcq

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