When you're trying to persuade (To convince) someone yes you want to compare and contrast but when you need SUPPORT for AN ARGUMENT you need EVIDENCE.
Http://www.npr.org/templates/story/story.php?storyId=129470920
There is a LOT of great information on this website. Just copy and paste to get your answer(s). I hope that I helped.
(1) Control rods of the nuclear reactor are important in controlling the fission rate of plutonium and uranium during the reaction.
(2) Containment structure is a protection for those working near the reactor in order to lessen the radiation exposure.
(3) Moderator is used to moderate the extent of the reaction
The correct answer is letter <span>a. Because I spent three hours on my homework. Among the choices, the sentence fragment is choice A. It is an independent clause though but in order no to make it a fragment, the word Because has to be removed.</span>