The Four Elements
before 1808 AD (1 gen 2000 anni a. C. – 1 gen 1808 anni)
Descrizione:
Before the elements that made up the world were discovered, people thought that the elements were fire, water, air, and earth. In fact, it was thought to be real even before 2000 BC
Aggiunto al nastro di tempo:
The History of the Atom
History of the Atom
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