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Title: Qu - PowerPoint PPT Presentation
Description: Qu mica de Suelos La Corteza terrestre es la fina capa de rocas que recubre la superficie de la Tierra por encima del manto. La profundidad de esta capa es entre 6km ... – PowerPoint PPT presentation
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PPT URL: http://lchtemuco.cl/imag/alumsubsector/ciencias/quimica/cuartos/Quimica%20de%20suelos%202012.ppt/
