Ellabean33
Ellabean33 Ellabean33
  • 14-09-2021
  • Chemistry
contestada

Controls are defined as ____​

Controls are defined as class=

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bendbaba159
bendbaba159 bendbaba159
  • 14-09-2021

Answer:

The second one is the answer

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help9047
help9047 help9047
  • 14-09-2021

Answer:

I think things that are kept constant during an experiment is right.

Explanation:

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