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45 votes
45 votes
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 Bigdaveygeorge
by
2.7k points

1 Answer

20 votes
20 votes

Answer:

B: About 3 or 4

Step-by-step explanation:

User Michael Parker
by
3.0k points