Always wash ur hands could be one
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.
Your answer would be, I believe, Billion gallons per day, Because, the independent quantity is time in days, and the dependent quantity is volume of water in billions. (Flow Rate: 84,760 Cubic Feet Per Second.).
Hope that helps!!!!! Have a great day : )
