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← ScienceWhich outcome results from elevated neutron absorption by Xenon-135 isotopes?
A)Sustained radiative neutron capture events
B)Reduced reactor core thermal instability
C)Induced reactor shutdown, poisoning effect✓
D)Increased criticality within control parameters
💡 Explanation
Elevated neutron absorption by Xenon-135 causes reactor poisoning because it decreases the neutron population needed for uranium fission, triggering reactor shutdown, rather than promoting thermal stability or criticality; this is the chain reaction failing.
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