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Which event occurs when core fusion creates iron?

A)Fusion stops via neutron absorption
B)Binding energy nears a limit
C)Hydrostatic equilibrium gets restored
D)Carbon burning rate dramatically increases

💡 Explanation

The core collapses because iron fusion does not release net energy; the curve of Nuclear binding indicates subsequent fusion requires energy input, therefore, fusion ceases to provide outward pressure, rather than other burn cycles beginning.

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