devinmccray05 devinmccray05

24-08-2018
Biology

contestada

How many variables should you change in a controlled experiment?

one
two
four
as many as possible

Respuesta :

maddie6610 maddie6610

24-08-2018

One at a time so you know what changed it

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Аноним Аноним

24-08-2018

Controlled experiments only have one variable to ensure accuracy. If there is more than one variable, it will be difficult to draw precise conclusions.

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