All of the Following Statements Are True EXCEPT

question 35

Multiple Choice

All of the following statements are true EXCEPT

• A) the Sun's energy comes primarily from the fusion of hydrogen.
• B) fusion reactions have high activation barriers due to repulsion of nuclei.
• C) fission reactions have relatively low activation barriers because uncharged neutrons used to initiate the reactions are not repelled by nuclei.
• D) magnetic fields can be used to confine nuclei during a fusion reaction.
• E) many fission reactors have been replaced by fusion reactors,which produce more energy and fewer waste products.