slowik7247 slowik7247

22-11-2019
Biology

contestada

How many variables are changed in a controlled experiment

Respuesta :

emmacspies99 emmacspies99

22-11-2019

Answer:

One

Explanation:

In a controlled experiment only one variable is changed at a time, while the others are kept the same/controlled so changes can be observed and a causation can be determined.

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