started at 2000 B.C. Ended at 3000 B.C.
Ended because writing started and was the beginning of civilization
pre historic era
They are pre-historic because there was no written record.
The river Thames has been there since pre-historic times so nobody knows.
The four parts of animal history are pre- historic ,historic, biblical time ,and present these times are all used to define the era of the particular animal.
Historic and Pre-Historic
The prehistoric era is the time when dinosaurs ruled the earth. Prehistoric also refers to time before time and history started to be recorded.
A historic era is a period of time that identified events, person or particular things that happened. An example would be the Industrial Era.
The cast of Pre-Historic Man - 1924 includes: Otto Fries
historic. pre is the prefix.
Honduras has many locations of historic interest from both the pre-Columbian era and the Spanish colonial era. The major industries are minerals, cloth and fruits (especially bananas).
Agriculture destinguishes the New Stone Age. Pre-history literally means "before written history", so you would say that lack of written history distinguishes the prehistoric period from the historic period.
taking a look on history we find that mathematics has been used from the medieval times . the paintings in the caves show that pre historic man used it . by ATISHAY MISHRA