To provide clean running water, Philadelphia

purchased clean water from other major cities

controlled the flow of its streams with underground pipes

built a water factory where people brought wastewater for cleaning

urged its residents to mix salt with water to destroy bacteria before drinking

Question

To provide clean running water, Philadelphia

 purchased clean water from other major cities

 controlled the flow of its streams with underground pipes

 built a water factory where people brought wastewater for cleaning

 urged its residents to mix salt with water to destroy bacteria before drinking

anonymous · Answer

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