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When you look at the stars and the galaxy, you feel that you are not just from any particular piece of land, but from the solar system. - kalpana Chawla Solar power is the last energy resource that isn't owned yet , nobody taxes the sun yet. - Bonnie Raitt The total amount of energy we use every year , from coal, oil, natural gas, hydro, nuclear, and everything else , is dwarfed by the amount of solar energy hitting the planet each year. - Ramez Naam
Facile e veloce da personalizzare Diapositive creative 100% vettoriale (mappe completamente modificabili, infografica, icone) Immagini e grafica gratuite Completamente modificabile al 100% tramite Excel Layout principale con segnaposto di testo Trascina e rilascia i segnaposto delle immagini
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