What is a picture of the phases of mitosis?

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

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?