mak1747 mak1747
  • 11-12-2022
  • Chemistry
contestada

C14 is another radioactive substance with a half-life of 5730 years. If a mammoth died with
2000 grams of C14 and then its fossilized bones were found to have just over 250 grams of
C14, how old is the fossil?
a) 5730 years
c) 17,190 years
d) impossible to tell
b) 11,460 years

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