angiemarinelare
angiemarinelare angiemarinelare
  • 22-11-2017
  • Geography
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can some one please write a 4 sentence about the Precambrian era
WILL MARK BRAINLEIST !!!!!!!!!!!!!! 1O POINTS !!!! ALSO NEED IT NOW

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Аноним Аноним
  • 22-11-2017
The beginning of the Precambrian period starts with the formation of Earth about 4.5 billion years ago and ends at the first sign of complex life about 540 million years ago. Though the Precambrian Period is often referred to as a period, it's actually the only supereon, which means that it spans multiple eons. The Precambrian is known as the geologic era. The Precambrian is the 1st era. hope that helped
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