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Romashka [77]
3 years ago
6

Which of the following is not a component of a normal experiment?

Biology
2 answers:
lara31 [8.8K]3 years ago
5 0

Answer:

D

Explanation:

because vaidity group dont sound right

alukav5142 [94]3 years ago
3 0
I’m going with D.
I used the process of elimination; all of the other options are necessary in a normal experiment, but I’ve never learned about a Validity Group.
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