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In a scientific experiment, how many variables should be changed during the experiment? A. only one B. about 3 or 4 C. a dozen or more D. as many as possible
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1 vote
In a scientific

experiment, how
many variables
should be changed
during the
experiment?
A. only one
B. about 3 or 4
C. a dozen or more
D. as many as possible

User Charles G
by
7.3k points

1 Answer

2 votes

Answer:

B: About 3 or 4

Step-by-step explanation:

User Joshua Hayworth
by
7.3k points
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