The Four Elements
before 1808 AD (1 jan 2000 ano antes da era comum – 1 jan 1808 ano)
Descrição:
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
Adicionado na linha do tempo:
The History of the Atom
History of the Atom
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