kianosh kianosh
  • 25-05-2017
  • Geography
contestada

In which part of geologic time are fossils extremely rare?
a. Precambrian
b.Jurassic
c.Triassic
d.Carboniferous

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Аноним Аноним
  • 25-05-2017
my answer would be d. hope this helps.
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janessecrearden janessecrearden
  • 17-06-2018
the answer is Precambrian. 

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