Respuesta :
"Radioactive isotopes last for less time" is the one among the following choices given in the question that shows the way a radioactive isotope and a stable isotope differs. The correct option among all the options that are given in the question is the second option or option "B". I hope that the answer has helped you.
B. Radioactive isotopes last for less time, is the one that makes the most since of the following options in the question above it shows the way a radioactive isotope and a stable isotope differs. A radioactive isotope lasts for less time because it is not stable.