Which of the following is used to control rods in nuclear fission?A. GraphiteB. Heavy WaterC. CadmiumD. All of these 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Label {} [+] Name* Email* 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments