Julio rubs a balloon with a cloth and places the balloon next to his head. He uses another balloon and places it next to his head without rubbing a cloth against it. Select the control in Julio's experiment.
a.Both balloons he used in the experiment
b.The balloon that was not rubbed with a cloth
c.The balloon that was rubbed with a cloth
d.Placing the balloon next to his hair
Answers
Answered by
10
Answer:
hi
Explanation:
ans A is correct plz mark me as brianlint and plz follow me plz
Similar questions