ja142036 ja142036

04-09-2020
Chemistry

contestada

What is a control group and is it always needed in an experiment?

Respuesta :

dylan6778 dylan6778

04-09-2020

Answer:

yes, it is always needed

Explanation:

a control group is what you choose to control in an expirement its the amount of somthing you don't change

Hope this helped

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