Respuesta :

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A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled. The independent variable is the one that is changed by the scientist.

Answer:

Explanation:

Independent variable is the variable that can be manipulated or changed in an experiment so as to observe such an alteration on the dependent variable. The dependent variable is the resulting outcome.

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