A nonpoint source of water pollution is - D. A suburban development as it is not a single source of water pollution and have various ways to contribute to pollution.
Nonpoint-source of water pollution
A pollution source which is originating from a single source or a single point is called point source water pollution. Nonpoint sources of water pollution are not originating from one single source.
Runoff from urban and suburban areas is a major origin of nonpoint source pollution. Much of the urban environment is paved with asphalt or concrete or covered with buildings. These surfaces are usually impervious, meaning that water runs off of them without being absorbed into the soil.
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