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The U.S. Environmental Protection Agency (EPA) estimates that between 0.1% and 0.4% of usable surface aquifers are contaminated by industrial impoundments and landfills. These dumps and landfills are a threat to water supplies when water seeps through waste. During this process, it picks up a variety of substances such as metals, minerals, organic chemicals, bacteria, viruses, explosives, flammables, and other toxic materials. Drinking water contamination is the result. In fact, all source water is at risk for contamination.
estoy de acuerdo con esto q todas las fuentes hidricas estan en peligro de contaminarse para q eso no suseda cuidala y asi se logra a salvar no toda pero simple mente salva la tulla todos los cuerpos de agua son tullas cuidala y no te errepentiras. ok
es muy facil buscarlo
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Christina Chan |