Chapter 25 Slides Sections 1-3
Chapter 25 Slides Sections 1-3
Chapter 25 Slides Sections 1-3
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• Radiocarbon dating can be used to date fossils<br />
up to 75,000 years old<br />
• For older fossils, some isotopes can be used<br />
to date sedimentary rock layers above and<br />
below the fossil<br />
AP Biology<br />
© 2011 Pearson Education, Inc.