blazerbond4 blazerbond4
  • 08-11-2017
  • Geography
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how are index fossils used to determine the absolute age of sedimentary rock

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kiwichipmunks
kiwichipmunks kiwichipmunks
  • 08-11-2017

They help determine the relative rock layers. Index fossils are from species that only existed for a short time. They are found in rock layers
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