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umka2103 [35]
3 years ago
15

What is a controlled variable in an experiment?

Biology
2 answers:
lukranit [14]3 years ago
6 0
A the factor that is purposely changed
Alik [6]3 years ago
5 0

Answer:

A factor that is purposely left the same.

Explanation:

A controlled variable should not be changed throughout an experiment or else it will affect the outcome of each individual trial.

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C.)

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loris [4]
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