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

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What would be an appropriate control in an experiment on exercise and pulse rate?

Answer and explanation

Correct answer: Recording pulse rate before exercise

Pulse rate before exercise provides a basis for comparison. In exams identify the initial value as a control.

Related tags

Control Measurement Pulse Rate Exercise Baseline Hypothesis And Experimentation Exploration: Entering The World Of Secondary Science Exploration Entering The World Of Secondary Science Science

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