Many areas near the ocean do not have large supplies of fresh water. Why can?t ocean water be treated to make drinking water?
Ocean water can be treated, but the process is expensive. The cost of converting salt water to drinking water has been estimated at $5.00 to $7.00 for each 1,000 gallons/3785 liters instead of the $0.30 to $0.50 for treating 1,000 gallons/3785 liters of fresh water.
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