LIBROS DEL AUTOR: rebecca ph dwoodbury

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  • Moving Plates
    Rebecca Ph.D. Woodbury / Rebecca Ph.DWoodbury
    Earth is made up of different layers: crust, mantle, and core. The crust is solid, the mantle is solid on the top and soft below, the core is soft metal on the outside and solid metal in the middle. The crust and solid upper mantle are broken up into huge pieces called plates that float on the soft magma of the lower mantle. The plates are carried along by magma as it moves. Th...
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    12,20 €