No plants existed during the Precambrian. The formation of coal beds relied on vegetation.
During the precambrian.
**Precambrian**
The Precambrian is a geological age, not a mineral.
Because it was created in the precambrian era...The Candadian Shield was formed in the Precambrian Era.The rocks of the Canadian Shield formed during the Precambrian time.
Because it was created in the precambrian era...The Candadian Shield was formed in the Precambrian Era.The rocks of the Canadian Shield formed during the Precambrian time.
Because it was created in the precambrian era...The Candadian Shield was formed in the Precambrian Era.The rocks of the Canadian Shield formed during the Precambrian time.
The Precambrian ended about 541 million years ago.
very little, there are stromatolites, domed mates of microscopic algae that are aged as precambrian. No other fossils in the precambrian
All the precambrian animals were weird ;P
It was the Precambrian time period.
Precambrian