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Tema 6' Los recursos naturales no renovables' - PowerPoint PPT Presentation

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Tema 6' Los recursos naturales no renovables'


... o la operaci n de alcanzar un fin dado, tal como satisfacer una necesidad', por ... recursos pueden satisfacer, la tecnolog a existente para su aprovechamiento y ... – PowerPoint PPT presentation

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Date added: 5 January 2010
Slides: 16
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