Which of the following statements about the use of nuclear energy is true? a. nuclear energy cannot be used safely. b. nuclear fusion has no known useful applications. c. nuclear fission is currently more useful for producing energy than nuclear fusion. d. nuclear fusion has fewer safety risks than nuclear fission.

The correct answer is (c.) Nuclear fission is currently more useful for producing energy than nuclear fusion. This statement best describe the use of nuclear energy. In order to produce nuclear energy, atoms may as well be split into half. 

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Answer    "a salt" would be the best answerexplanationsalts can be defined as ionic compounds that are neither acids nor bases. nacl is an example of a salt, and its ionic.an enzyme is an organic compound which is covalently bonded, not ionically bonded.acids are generally held together by covalent bondsan element does not need any bonds to exist