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surface water pollution and algae blopms in the Chesapeake Bay. “We’re downwind of the Ohio industrial plants," he explained. Nitrogen, phosphorus, and nitrous oxide compounds from auto exhaust constantly fall out of the sky onto rooftops, parking lots, and fields. Heavy metals, motor oils, and antifreeze add to the contamination.
If the pollutants land on forests or other planted areas, the plants consume them as fertilizer or chemically bind them into their roots. However, pollutants deposited on buildings or parking lots are flushed into drains by the next rainstorm. The drains
87.5%