Which radioactive isotope would you use to date a 4-billion-year-old piece of granite? A . Carbon - 14 dating B . Uranium- 238 - lead 206 dating C .potassium - argon dating

Which radioactive isotope would you use to date a 4-billion-year-old piece of granite? A . Carbon - 14 dating B . Uranium- 238 - lead 206 dating C .potassium - argon dating

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