Which of the following would be a valid hypothesis for a controlled
experiment investigating a person's ecological footprint?
A. Increasing the amount of waste you produce is a selfish behavior.
O
B. What effect does increasing the amount of waste produced have
on one's ecological footprint?
O
C. Increasing the amount of waste you produce will increase your
ecological footprint.
O
D. Why is it important to know your ecological footprint?