Contrast Proterozoic and Phanerozoic Eons.(1

Precambrian time is another name for which group of eons?A. Hadean, Archean, and Proterozoic B. Proterozoic and Phanerozoic C.
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What separates the eras of the Phanerozoic Eons?
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When did cyanobacteria start producing pure oxygen?Question 5 options: A) During the Phanerozoic eon B) After the Proterozoic
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The three eras within the Phanerozoic eon are Paleozoic (ancient life), _____ (middle life), and Cenozoic (recent life).Archean
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What is Precambrian time?the span of time between the Hadean and Proterozoic eons the span of time from Earth’s formation to
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The Phanerozoic Eon What are the three major eras of the The Phanerozoic Eon?
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In the glint of the stars, the stream softly flows, Reflecting the world as the cold wind blows, Secrets of eons, to the night
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Fossils in Precambian rocks are rare, while there are many fossils in rocks from the Phanerozoic eon. What does this evidence
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2. asked by abigail
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Which is the present eon, era, period, epoch, and age?Phanerozoic eon, Mesozoic era, Neogene period, Pleistocene Epoch,
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2. asked by cesat
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The Proterozoic What two things happened to the continents during this time?
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