contestada

7
Which of the following statements describes all the variables in an experiment?
OA.
All variables are changed from one part of the experiment to another.
ОВ.
All variables are measured to provide data for the experimental results.
OC.
All variables are kept the same from one part of the experiment to another.
OD.
All variables affect the results of the experiment.
Reset
Submit

Respuesta :

pcai26

Answer:

OB, OC

Explanation:

OA is wrong because then you don't know which variable affected the experiment

OD is wrong because of the same thing

Otras preguntas