What is the main purpose of controlled variables in an experiment
1. they compare the findin...
Biology, 30.11.2019 02:31 anayamulay
What is the main purpose of controlled variables in an experiment
1. they compare the findings of one experiment to another
2. they produce reliable results without repeating the experiment
3. they investigation practice measuring without affecting the results of the experiment
4. they ensure that changes in the independent variable are affecting the dependent variable
Answers: 2
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