ETEXT CAMPBELL BIOLOGY IN FOCUS INSTANT
ETEXT CAMPBELL BIOLOGY IN FOCUS INSTANT
3rd Edition
ISBN: 9780135964422
Author: Urry
Publisher: PEARSON
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Chapter 23, Problem 3TYU

A researcher discovers a fossil of what appears to be one of the oldest·known multicellular organisms. The researcher could estimate the age of this fossil based on

  1. A.    the amount of uranium·238 in the fossil.
  2. B.     the amount of carbon·14 in the fossil.
  3. C.     the amount of uranium·238 in volcanic layers surrounding the fossil.
  4. D.    the amount of carbon-14 in volcanic layers surrounding the fossil.
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Fossil: The Language & History of Paleontology; Author: Alliterative;https://www.youtube.com/watch?v=x9yNwRBlKtU;License: Standard youtube license