Answer:
D, burning less than 400 calories per hour
Explanation:
the more calories burned, the better. You want to burn more than 400, not less than. Hope that this helps you and have a great day :)
Answer:
social experiment
Explanation:
According to my research on studies conducted by various sociologists, I can say that based on the information provided within the question the study just described is a social experiment. This type of experiment focuses on research which test a human's reaction to certain situations or events. Which is what is happening in this situation with the students.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.
