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← ScienceDuring stellar nucleosynthesis, which energy consequence results when exceeding Iron-56?
A)Decreased nuclear binding energy gain✓
B)Increased beta decay frequency
C)Enhanced gamma ray propagation
D)Elevated neutron capture cross-section
💡 Explanation
Fusion beyond iron consumes, rather than releases, energy because the **nuclear binding energy** decreases; fusing heavier elements gains no excess energy. Therefore, the stellar core collapses, rather than continuing fusion exothermically; other processes would become comparatively dominant.
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