IN YOUR OWN WORDS, what is the definition for point mutation

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

To be or not to be that is da question

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous