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← ScienceWhich reaction consequence increases inside stars approaching iron accumulation?
A)Neutron capture cross section increase
B)Carbon-12 fusion power suppression
C)Oxygen burning equilibrium shift
D)Silicon burning energy inefficiency✓
💡 Explanation
Silicon burning becomes highly inefficient nearing iron as the photodisintegration mechanism absorbs considerable thermal energy rather than releasing it through fusion. Therefore energy output drops rapidly and iron fusion occurs rather than continuing energy generation.
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