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joewalcott24 joewalcott24
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6 years ago

Radiometric dating is based on ____.
  a. the presence of fossils
  b. cross-cutting relationships
  c. spontaneous decay of radioactive elements
  d. superposition
  e. dendrochronology

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wrote...
6 years ago
c
joewalcott24 Author
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6 years ago
Thank you for being my superhero!
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