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Isotopes

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  • monarcs, sea turtles, many other difficult to follow migratory animals
  • Transcript

    • 1.  
    • 2.  
    • 3.  
    • 4. monarch migration
    • 5. Isotopes What good are they?
    • 6.  
    • 7. Some are radioactive and some are stable
    • 8.
      • radioactive isotopes can be used to:
        • trace atoms in metabolism
        • diagnose medical disorders
        • monitor chemical processes in the body
      AND . . .
    • 9. date fossils
    • 10. In nature, an element occurs as a mixture of isotopes which can vary according to geography and other environmental factors
    • 11. How can isotopes be used to study animal migration?
    • 12. Anthropological and forensic problems?
    • 13.  
    • 14. As well as in determining past climates from oxygen isotopes in ice and ocean organisms
    • 15. Which oxygen isotope gets trapped in ice (as a result of precipitation) and in the shells of ocean organisms is temperature dependent and the ratio can be used to determine past temperatures.

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