imanifaison9 imanifaison9

13-01-2020
Mathematics

contestada

In a controlled scientific experiment, the
variable is manipulated by the researcher.

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harrietdorothyray harrietdorothyray

13-01-2020

Answer:

Step-by-step explanation:

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15-01-2020

Answer: correct??? (I don’t understand)

Step-by-step explanation:

a controlled experiment is when only one variable is changed, while the rest stays the same.

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