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What makes an experiment a controlled experiment?
A. Many factors are changed in each experimental group.
B. There are many responding variables.
C. The experiment is performed in nature.
D. All the variables are controlled except one.

What makes an experiment a controlled experiment A Many factors are changed in each experimental group B There are many responding variables C The experiment is class=

Respuesta :

D: All the variables are controlled except one.
woofwoofoofdog1
The answer is All the variables are controlled accept one (i took the quiz hope this helps!)

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