Which of the following is a good reason to use a stimulation in an experiment

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

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

Which nucleotide component contains nitrogen