Alex does an experiment to see if mice grow faster when given different food sources. he has two groups of mice. one group he feeds food a, and the other group he feeds food
b.
after 6 weeks, there is no difference in the growth rates of the two groups. however, he notices that the mice being fed food b have thicker fur.
what question could he ask next?
a. what part of food b is making the mouse fur become thicker?
b. which mouse was the prettiest?
c. would the mice prefer food c?