Molecules in all organisms are composed in part of radioactive carbon-14. Which statement best explains the presence of carbon-14 in organisms?
A
The radioactive isotope reacts in the same way as stable isotopes in the nuclear reactions in the body.B
The radioactive isotope reacts in the same way as stable isotopes in the chemical reactions in the body.C
The radioactive isotope reacts faster than stable isotopes in the nuclear reactions in the body.D
The radioactive isotope reacts faster than stable isotopes in the chemical reactions in the body.