Question 5 of 10
2 Points
A scientist wants to determine the effect of a new type of gasoline. He fills
one car with normal gasoline and another identical car with the new gasoline.
Which is the control group?
O
A. The amount of gasoline used
O
B. The car with the new gasoline
O
C. The car with the normal gasoline
O
D. The new type of gasoline
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