which of the following statements are true concerning nuclear fusion reactions? check all that apply. which of the following statements are true concerning nuclear fusion reactions?check all that apply. nuclear fusion is the process during which small nuclei combine to form a larger one. nuclear fusion is the process during which a heavy nucleus splits into two intermediate-sized nuclei after being struck by a neutron. the mass of the products of a nuclear fusion reaction is less than the mass of the original elements. the mass of the products of a nuclear fusion reaction is greater than the mass of the original elements. a fusion reaction proceeds because the binding energy of the resulting nucleus is greater than the binding energy of the original nuclei. a fusion reaction proceeds because the binding energy of the resulting nucleus is less than the binding energy of the original nuclei.