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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 help is appreciated :)
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1 vote
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 help is appreciated :)

User Guille Polito
by
7.6k points

2 Answers

0 votes

i am pretty sure its uranium 235

User Esteban Aliverti
by
8.3k points
5 votes
I'm not so sure but I would say Answer Choice B
User Qamar
by
8.3k points
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