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Biodiversity - mid semester quiz questions
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Pregunta:
A rock contains 18 mg of the radioactive isotope carbon-14. The half-life of carbon-14 is 5,600 years. How many half-lives and years will it take before the carbon-14 decays to less than 4 mg?
Autor: Angela HillRespuesta:
3 half-lives; 16,800 years
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Autor
Angela Hill