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</html><description>Il petrolio non &#xE8; considerato un minerale . &#xC8; una sostanza organica derivata dai resti di organismi antichi, principalmente microrganismi marini, e non soddisfa i criteri necessari per essere una sostanza inorganica presente in natura con una struttura cristallina definita. Beh, quella era solo una risposta semplice. Ma ci sono alcune altre cose da sapere ... Per saperne di pi&#xF9;</description></oembed>
