Denecha Lowers the Temperature on Her Water Heater in Order

Multiple Choice

Denecha lowers the temperature on her water heater in order to use less natural gas and save money. After making this change, she discovers that the water needs to run longer in order to warm up enough to shower. Weighing the pros of using less energy against the cons of using more water is an example of

A) modeling.
B) resilience.
C) bias analysis.
D) trade-offs.