Which statement is always true when nuclear fusion occurs?(1 point) Responses The total number of protons and neutrons in each nucleus remains constant. The total number of protons and neutrons in each nucleus remains constant. The number of protons in the resulting nucleus is less than in each starting nucleus. The number of protons in the resulting nucleus is less than in each starting nucleus. The combined number of protons and neutrons remains constant. The combined number of protons and neutrons remains constant. The number of protons in the resulting nucleus is double that of a starting nucleus.
