What is an advantage of using a radioactive seed, consisting of a radioisotope in a small gold tube, to treat a cancerous tumor?
A. It monitors the temperature and type of exposture to all types of radiation for an individual. B. It does not monitor the degrees and type of exposture to all types of radiation for an individual. C. The seeds emit beta particles and gamma rays to kill the surrounding cancer cells. The seed cannot move from its inserted location.