(7) Carbon-14 dating is used in archeology to determine the age of items that were alive or were made from living materials. This works because the proportion of radioactive Carbon-14 to the other isotopes of Carbon is relatively constant in the atmo- sphere. (Volcanos constantly refresh the C-14 content.) A wooden tool from an archeological site is found to contain 22 micrograms of C-14, whereas a similar hnount of modern wood would contain 100 micrograms. How old is the tool?

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(7) Carbon-14 dating is used in archeology to determine the age
of items that were alive or were made from living materials.
This works because the proportion of radioactive Carbon-14 to
the other isotopes of Carbon is relatively constant in the atmo-
sphere. (Volcanos constantly refresh the C-14 content.)
A wooden tool from an archeological site is found to contain
22 micrograms of C-14, whereas a similar hnount of modern
wood would contain 100 micrograms. How old is the tool?
58 surface weat..pdf
JoanneCarbonell .pdf
PDF
Transcribed Image Text:(7) Carbon-14 dating is used in archeology to determine the age of items that were alive or were made from living materials. This works because the proportion of radioactive Carbon-14 to the other isotopes of Carbon is relatively constant in the atmo- sphere. (Volcanos constantly refresh the C-14 content.) A wooden tool from an archeological site is found to contain 22 micrograms of C-14, whereas a similar hnount of modern wood would contain 100 micrograms. How old is the tool? 58 surface weat..pdf JoanneCarbonell .pdf PDF
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