Which of the following questions is testable in a scientific investigation?
Are dogs better pets than cats?. Are dogs happy when they are walked?. Are cats more active at night than during the day?. Are cats easier to take care of than dogs?.
Question: Which of the following questions is testable in a scientific investigation?
A. Are dogs better pets than cats?.
B. Are dogs happy when they are walked?.
C. Are cats more active at night than during the day?.
D. Are cats easier to take care of than dogs?.
Answer: