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Precambrian is an informal term for the time before the Cambrian Period, the first period of the Phanerozoic Eon. The Precambrian consists of three eons, the Hadean, the Archean, and the Proterozoic. The Hadean Eon is about 760,000,000 years long. The Archean Eon is about 1,300,000,000 years long. The Proterozoic Eon is about 1,960,000,000 years long This comes to a total of 4,025,000,000 years.
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When were edicaran faunas found?
in the precambrain time
Is petrified wood Precambrain or Paleozoic or Mesozoic Cenozoic?
Paleozoic
What major changes life-forms occurred at the end of Precambrian time?
what major change in life forms occured at the end of precambrain time
What was the precambrain era climate?
It varied a lot but it became very cold and the Earth became covered with ice.
What major change in life-forms occurred at the of Precambrian time?
what major change in life forms occured at the end of precambrain time
What major change in life-form occurred at the end of the Precambrian time?
what major change in life forms occured at the end of precambrain time
How long does pleurisy last?
How long does pleurisy last
Food allergies last how long?
For as long as they last.
Why does stride last long?
WHY DOES STRIDE LAST LONG
How long it is going to last?
How long is what going to last?
How long does a stroke last for?
how long does a stroke last
How long will pain last after a cavity is filled?
it will not last long it will last atleast 2 and a half hours long
