Question

How many variables should ge changed in experiment?​

Answer 1

Answer:

An experiment usually has three kinds of variables: independent, dependent, and controlled. The independent variable is the one that is changed by the scientist. To insure a fair test, a good experiment has only ONE independent variable.

Explanation:

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Answer 2

an experiment usually have three kinds of variables independent dependent and control the independent variable is one that is changed by the scientist to ensure a fake this a good experiment has only one independent variable

Explanation:

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