Respuesta :

Answer: the vast period of time before written records or human documentation, includes the Neolithic Revolution, Neanderthals and Denisovans, Stonehenge, the Ice Age and more.

Answer:

2.5 million years ago

The Prehistoric Period—or when there was human life before records documented human activity—roughly dates from 2.5 million years ago to 1,200 B.C.

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