| http://www.w3.org/ns/prov#value | - When it rains, snows or dust pollutes the water; it then collects in streams, lakes and other areas where water is stored. ???The runoff contaminates build up from soils and farm chemicals from agricultural lands, waste from cities, and discharges from industrial areas from disposal sites known as point source pollution??? (Lake Huron Centre for Conservation, 2012).
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