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5 votes
5 votes
Please help!!!

Study Island sucks!
In a controlled scientific experiment?
Answer choices:
A. only one variable can be kept constant
B. no variables are kept constant
C. one or more variables are kept constant
D. all variables are kept constant

User The Red Fox
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1 Answer

15 votes
15 votes

Answer:

the answer is B is the best answer I hot

User Monogate
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