Respuesta :
The answer to your question is D.) Gamma Knife
Gamma Knives are used to remove unwanted things like brain tumors, dead or useless organs that no longer work anymore!
Gamma Knives are used to remove unwanted things like brain tumors, dead or useless organs that no longer work anymore!
A gamma knife. By process of elimination, you can know that all of the other choices are not used in the medical field.