Precambrian (1 янв 1000000000 г. до нашей эры – 10 июн 541000000 г. до нашей эры)
Описание:
This is the first of two Eons that of which are Precambrian and Phanerizoic the Precambrian Eon also includes the Era's Hadean from 4.6 bilion to 4.0 billion then the Archaeic Era 4.0 billion to 2.5 billion then Proterozoic from 2.5 billion to 545 million. and this was also the Eon of organisms and bacteria
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World History
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