The other options are: c:the initial hight of each bean plant
d:the amount of fertilizer given to each group of bean plants

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

What best describes the structure of the declaration of independence?

Types of scientific inquiry that biologist engage in that cannot be completely controlled