An average family of four uses roughly 1200 L (about 300
Chapter 1, Problem 44(choose chapter or problem)
An average family of four uses roughly 1200 L (about 300 gallons) of water per day How much depth would a lake lose per year if it covered an area of with uniform depth and supplied a local town with a population of 40,000 people? Consider only population uses, and neglect evaporation, rain, creeks and rivers.
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