The Precambrian. Hope this helps! :)
The Precambrian ... about 3 billion years.
Oldest to youngest*Precambrian Era*Paleozoic*Mesozoic*Cenozoic
the mesozoic era started 225 million years ago .
Yes. The first era was the precambrian era followed by the paleozoic era then the mesozoic era than the Cenozoic era.
Began 5 billion years ago
it was on earth the precambrian era is an era that happend several million years ago on the earths surface
The Precambrian Era began in the time period 4600 and ended in 570.
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About 540 million years ago.
4,028,000,000 years.
The Precambrian. Hope this helps! :)
The Precambrian is a long period and just as Earth has many climates now, it had many then.
The Proterozoic eon was the third eon in Earth history. It lasted from 2.5 billion years ago to 542 million years ago. Therefor, the Proterozoic was nearly 2 billion years long.
The Precambrian ... about 3 billion years.
Starting with the Precambrian Era. 4600 million to 570million years ago. Paleozoic Era. 570 million to 245 million years ago. Mesozoic Era. 245 million to 66 million years ago. Cenozoic era: 66 million years to Today.
Oldest to youngest*Precambrian Era*Paleozoic*Mesozoic*Cenozoic