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Q: Why are the last 570 million years of Earth's history divided into three different eras (Paleozoic Mesozoic and Cen while the preceding four billion years comprise only one era (Precambrian)?
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Related questions

What are the four geologic time scale eras from oldest to most recent?

The 4 eras are Cenozoic era, the mesozoic era, the paleozoic era, and the precambrian era.


What are the chracteristics of the geological era and the definition of precambrian Cenozoic mesozoic and paleozoic?

Precambrian


What is the correct order for the major geological eras?

Oldest to youngest*Precambrian Era*Paleozoic*Mesozoic*Cenozoic


What is the longest era with the least information available?

Paleozoic, Precambrian, Mesozoic or Cenozoic. It is Precambrian


How many eras are there?

Four. Precambrian, Paleozoic, Mesozoic, Cenozoic.


What are the four division of geological time?

Cenozoic Mesozoic Paleozoic Precambrian


What are all 4 eras from largest to smallest?

Precambrian, Paleozoic, Mesozoic, and Cenozoic.


Which describes the correct order of the geologic time scale from oldest to most recent?

ok im going to start off by saying this, the last answerer is stupid, and doesnt know what he is talking about. it goes from: PERIOD ERA EPOCH there you go ;)


Four eras of geologic time?

(PrePay My Cellphone) Precambrian Paleozoic Mesozoic Cenozoic


What are four large section on the geologic time scale called?

Precambrian, Paleozoic, Mesozoic and Cenozoic.


What are the divisions of geological time?

These are put in order of older to newer. Precambrian, Paleozoic, Mesozoic, Cenozoic.


In which geoligic era did trilobites and sharks coexist 1 Cenozoic 2 mesozoic 3 Paleozoic 4 Precambrian?

precambrian is when all humans and living things and sharks existed of course