From: Anonymous | Date: 1/16/2008 | Rated: 10 (1) | Views: 223 | Downloads: 10

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Antartica 2007 Stunning Presentation more>>

From: richardqt | Date: 7/5/2008 | Rated: 0 (0) | Views: 30 | Downloads: 0

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Versión Mayo 2006 R E Q U I S I T O S A M B I E N TA L E S PA R A L A PL ANIF ICACIÓN DE ACT IVIDADES EN LA ANTÁRT IDA Ob je tiv os Objetivo General ...  more>>

From: richardqt | Date: 7/5/2008 | Rated: 0 (0) | Views: 139 | Downloads: 1

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CALENTAMIENTO GLOBAL EFECTO INVERNADERO Los seres humanos son responsables de parte del calentamiento global del planeta. La IPCC (Intergovernmental ...  more>>

From: EuropeanUnion | Date: 7/21/2008 | Rated: 0 (0) | Views: 21 | Downloads: 0

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I gas ad effetto serra II vapore acqueo: il principale gas a effetto serra è il vapore acqueo (H2O), responsabile per circa due terzi dell’effetto ser ...  more>>