Question

what is the water's big source in city?​

Answer 1

Explanation:

Urban areas can obtain water supplies from groundwater, surface water and rainwater. Groundwater sources such as shallow wells, deep wells (boreholes) and springs should be protected against contamination by animals and surface run-off.

Answer 2

Answer:

Surface water and groundwater are both important sources for community water supply needs. Groundwater is a common source for single homes and small towns, and rivers and lakes are the usual sources for large cities.

Explanation:

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