Can a scientific law have exceptions

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 are the 3 types of artificial cloning

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box