Chemistry, 28.05.2020 04:59 gabelawson6996
43. We have a radioactive isotope called RI which has a half-life of 12 million years. A geologist
has used radiometric dating and determined the rock to be approximately 36 million years old
How many half lives have taken place?
(1 point)
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43. We have a radioactive isotope called RI which has a half-life of 12 million years. A geologist
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