Chemistry, 11.12.2019 18:31 becky1301

27. using the information in parent-daughter material, which of the isotope pairs might be used to
determine the age of something that was once living?
a. c-14 & n-14
c. any of these could be used
b. k-40 & ar 40
d. u-235 & pb-206

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27. using the information in parent-daughter material, which of the isotope pairs might be used to