CasperLynn CasperLynn
  • 26-03-2017
  • Chemistry
contestada

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 :)

Respuesta :

mariahcarrie
mariahcarrie mariahcarrie
  • 26-03-2017
I'm not so sure but I would say Answer Choice B
Answer Link
butterickgattli butterickgattli
  • 24-07-2018

i am pretty sure its uranium 235

Answer Link

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