02 Classification Evol - University of California, Santa Cruzjyeakel/Dinos_files/02... · 2012. 3....
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02 Classification Evol - University of California, Santa Cruzjyeakel/Dinos_files/02... · 2012. 3. 15. · n Ratio — = 1,09 I.os . Half Life Amt. of daughter isotope Amt. of parent