alexisnosrati alexisnosrati

22-04-2020
Biology

contestada

In which type of research is one or more variable deliberately changes?

A) a study case
B) a survey
C) a observation
D) an experiment

Respuesta :

dereksteed59 dereksteed59

22-04-2020

Answer:

The answer is D) experiment

Explanation:

the only answer on here that changes multiple times is an experiment.

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