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LA CONTAMINACION DE LAS AGUAS

LA CONTAMINACIN DE LOS RIOS . POLTICA MEDIO AMBIENTAL. La contaminacin delos ros se produce por los vertidos industriales y los abonos utizados en agricultura que contaminan los acuferos superficiales con nitratos.La calidad de las aguas se mide por el INDICE DE CALIDAD GENERAL, se utiliza

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LA CONTAMINACION DE LAS AGUAS

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