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ibukunsulie85 ibukunsulie85
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7 years ago

If you discover the fossil remains of archaeocyathids in a rock outcrop, you can be certain that
  the rocks are from the
  a. Cambrian. d. Permian.
  b. Ordovician. e. Silurian.
  c. Devonian.
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#1
7 years ago
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ibukunsulie85 Author
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7 years ago
I appreciate this
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