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Class 9 Science Exploration: Entering the World of Secondary Science Hypothesis and experimentationEasy

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How many independent variables should usually be changed in a fair experiment?

Answer and explanation

Correct answer: One

Usually only one independent variable is changed in a fair experiment. Other relevant factors are kept constant.

Related tags

Fair-Experiment One-Variable Independent-Variable Hypothesis And Experimentation Exploration: Entering The World Of Secondary Science Exploration Entering The World Of Secondary Science Science Class 9 Mcq

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