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Science Explainer: Dating fossils found in rock layers supports theory of human evolution

By Formative Staff
Last updated 22 days ago
3 Questions
Note from the author:
Read the passage Dating fossils found in rock layers supports theory of human evolution. Then answer the questions below.
Read the passage Dating fossils found in rock layers supports theory of human evolution. Then answer the questions below.
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Drag each description into the correct box to show the dating method it describes.

  • is difficult to use when surrounding rock is similar in color
  • uses the elements carbon, potassium and argon
  • compares decaying isotopes of an element to determine age
  • uses location in the rock strata to determine age
  • Radiometric
  • Geological
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Which statements about dating techniques are true? Select two correct answers.