Biology
Biology, 19.08.2019 05:00, Playboycxm

In a controlled scientific experiment,
a. only one variable can be kept constant.
b. no variables are kept constant.
c. all variables are kept constant.
d. one or more variables are kept constant.

answer
Answers: 2

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In a controlled scientific experiment,
a. only one variable can be kept constant.
b. no...

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