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Arturiano [62]
3 years ago
7

I scientist wants to determine the effect of a new gasoline he feels one of the cars with normal gasoline and the other identica

l car with new gasoline which is a control group
Biology
1 answer:
maxonik [38]3 years ago
4 0
The car with normal gasoline because the effects of that are already known. whereas the car with new gasoline is different and new.
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