Answer: I would say that C researchers try not to ask questions that are too obvious. Because if the question is obvious, then I would think there would be no reason to research it. But I don't know fore sure. I hope this helps you! :)
Explanation:
Answer:
c. incentive.
Explanation:
Based on the information provided within the question it can be said that this sudden change shows the effects of incentives within the experiment. This term refers to a constant motivator for the test subjects which is a reward that the test subjects get if they perform a desired action or outcome. Which in this case the food reward was the incentive that the rats wanted in order to complete the complex maze with less errors.
The first three are aerobic exercises while tennis is a anaerobic exercise.
