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Geography, 22.09.2019 04:00 makennahudson94

How would you date a sample of rock that you suspect as being one of the earliest on earth?
a. use a radioactive isotope with a short half life
b. use a radioactive isotope with a long half life
c. use an index fossil
d. use a microfossil

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How would you date a sample of rock that you suspect as being one of the earliest on earth?
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