Question

Write Notes on World Precambrian History.

Answer 1

The Precambrian was originally defined as the era that predated the emergence of life in the Cambrian Period. It is now known, however, that life on Earth began by the early Archean and that fossilized organisms became more and more abundant throughout Precambrian time.

Answer 2

The Precambrian was originally defined as the era that predated the emergence of life in the CambrianPeriod. It is now known, however, that life on Earth began by the early Archean and that fossilized organisms became more and more abundant throughout Precambrian time.