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In the periodic table of the elements, each row of the table is called the period. The number of levels an atom has determines the period to which it belongs. The first period has only two elements, t ...
Would you know how to locate in this game each human anathomical item which you have been asked for? You have to point out each exact location on the map. Zoom in or zoom out the image in order to ad ...
Add to Didactalia Arrastra el botón a la barra de marcadores del navegador y comparte tus contenidos preferidos. Más info...