juarezkarla23 juarezkarla23

03-06-2014
Biology

contestada

how many variables should you have in a control experiment?

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mandi17 mandi17

03-06-2014

It depends on the case, but usually two variables should be in a controlled experiment.

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minnomurtza minnomurtza

03-06-2014

you should do three variables so you can note the difference

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