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Biology, 29.04.2021 08:00, mathman783
An isotope used for absolute dating has a half-life of 100,000 years. Laboratory analysis of a crystal, which originally formed with only the parent isotope present, is now found to have a parent-to-daughter ratio of 1 :3. How long has it been since the crystal formed? *
A. 33,000 years
B. 50,000 years
C. 200,000 years
D. 300,000 years
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Answers: 2
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An isotope used for absolute dating has a half-life of 100,000 years. Laboratory analysis of a cryst...
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