Final answer:
New York City produces approximately 1 billion gallons of wastewater each day, which corresponds to option D in the multiple-choice question. The correct option is D.
Step-by-step explanation:
The question asks about the amount of wastewater that New York City produces each day.
Based on environmental studies regarding city wastewater outputs, a significant metropolitan area like New York City would produce a substantial amount of wastewater due to the high population and various water uses.
As indicated in a related scenario, a city can emit 16 million gallons of raw sewage into a lake. Therefore, in the context of the options provided, the correct answer would be that New York City produces 1 billion gallons of wastewater each day, which is option D.