Final answer:
Bottled water consumption is reported per day.
Step-by-step explanation:
The question asks about the consumption of bottled water, which is related to the topic of water demand and usage. The given information states that a typical person in a U.S. household uses approximately 100 gallons of water per day, which includes various activities like cooking, washing dishes and clothes, flushing the toilet, and bathing. Therefore, the answer to the question is D) Per day.