A group of students is working on a research project based on the topic of ethical animal care. They have decided that the first step is to clarify the problem they want to address. Which of the following is a qeustion of judgment that clarifies the problem?
a. what percentage of households own pets
b. what breed of animal is most commonly abandoned
c. how profitable is the pet care industry
d. what is the best way to address the high number of unwanted pets