I unlocked the Massive Signing achievement on FIFA Soccer 12! http://ping.fm/sAtpz

I unlocked the Youth is Served achievement on FIFA Soccer 12! http://ping.fm/UdSJd

I unlocked 3 Xbox achievements on FIFA Soccer 12! http://ping.fm/yVmPH

AGUA DULCE on Prezi

Sistemas Lenticos y Cuerpos de Agua

Sistemas lenticos y cuerpos de agua

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FACTORES BIOTICOS Y ABIÓTICOS EN LAGOS

Factores abioticos.- SOL, TIERRA, AIRE, ROCAS, AGUA, SUELO

Factores bioticos.- ALGAS, PLANTAS, ANIMALES, PROTISTOS, MONERAS, HONGOS, PECES, AGUILAS, COCODRILOS, SERPIENTES, RANAS, BACTERIAS, LOMBRICES, MAPACHE

I unlocked the Record Holder achievement on FIFA Soccer 11! http://ping.fm/QpAWq