Austin is interested in learning about mice. which of the following is a scientific question that he could ask?
a. do mice grow faster when they eat cheese or when they eat peanut butter?
b. is it ethical to own a pet mouse?
c. do big mice make better pets than small mice?

A. Do mice grow faster when they eat cheese or when they eat peanut butter?

Explanation:

A scientific question is the one which can be answered using suitable methodology involving the experimental procedures and direct observations. This approach makes the scientific question a reliable and valid question to be answered.  

A. is the correct option this is because of the fact that this can be answered experimentally as the two different mice populations can be given cheese as well as peanut butter to determine the fact that from which food item the mice grow faster.