Chemistry, 16.09.2019 21:40 Shadowhawk681
Which of the following is a radioisotope used to date rock formations older than 50,000 years old?
a) carbon-12
b) uranium-235
c) cobalt-60
d) carbon-14
any is appreciated : )
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Which of the following is a radioisotope used to date rock formations older than 50,000 years old? <...
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