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El agua: recurso inagotable - PowerPoint PPT Presentation

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El agua: recurso inagotable

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La superficie del planeta est cubierto por oc anos. El agua, como ... e incrementa el consumo de combustibles f siles, emitiendo 25% m s de di xido de carbono. ... – PowerPoint PPT presentation

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Date added: 4 January 2010
Slides: 33
Added by: Username withheld or not provided
Learn more at: http://recursos.cnice.mec.es
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