Chemistry, 18.11.2019 15:31, candye625

Why is it important to have a control group in an experimental investigation?
to show what happens when the dependent variable is not changed
to see how the dependent variable changes the independent variable
to compare the results when the independent variable is not involved
to allow the researchers
to change the dependent variable as they wish

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Why is it important to have a control group in an experimental investigation?
to show what h...