GILMER VELANDIA ARENALES

Colombia

Joined: 16/09/2011

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GILMER VELANDIA ARENALES's PowerPoint Presentations

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GILMERVELANDIA uploaded a new presentation "el agua como fuente de vida"

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el agua como fuente de vida

Trata de la problematica global, por la contaminacion de los rios y da las afluentes de agua

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