The Four Elements
before 1808 AD (1 янв 2000 г. до нашей эры – 1 янв 1808 г.)
Описание:
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
Добавлено на ленту времени:
The History of the Atom
History of the Atom
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