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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.
Wiki User
∙ 13y ago
Wiki User
∙ 9y agoIt is estimated that the Precambrian Era lasted between 3.9 and 4 billion years. Many scientists believe that this era accounts for 90 percent of the world's history.
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How many years was the precambrian era?
Began 5 billion years ago
Which eon did most of earths history occur in?
Most of Earth's history has occurred in the Precambrian Era, a time span of over 4 billion years.
Where was precambrian era?
it was on earth the precambrian era is an era that happend several million years ago on the earths surface
When did the precambrian era begin?
The Precambrian Era began in the time period 4600 and ended in 570.
What years did the Precambrian era end?
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When did the precambrian era end?
About 540 million years ago.
What are the periods that make up the precambrian Era?
4,028,000,000 years.
What geologic era lasted longest?
The Precambrian. Hope this helps! :)
What was the Precambrian era's climate?
The Precambrian is a long period and just as Earth has many climates now, it had many then.
when was the era of geologic time was the longest?
The Precambrian ... about 3 billion years.
What are the 4 time periods?
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.
What is the correct order for the major geological eras?
Oldest to youngest*Precambrian Era*Paleozoic*Mesozoic*Cenozoic
