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← ScienceWhich consequence results when stellar nucleosynthesis reduces binding energy?
A)Fusion ceases at Iron-56✓
B)Neutron star crustal fragmentation
C)Supernova inward collapse stops
D)Black hole event horizon expands
💡 Explanation
The fusion process is exothermic only up to Iron-56; beyond generates energy input due to nuclear binding energy. Therefore stellar fusion effectively halts rather than proceeding to heavier elements because further fusion requires more rather than releases energy.
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