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Which risk correlates to exceeding the Uranium-235 half-life?

A)Delayed exothermic reactivity increase
B)Elevated background radiation signature
C)Spontaneous criticality amplification
D)Controlled chain reaction termination

💡 Explanation

Elevated background radiation increases when Uranium-235 exceeds its half-life because radioactive decay will always produce decay products and release excess energy; therefore increased ambient radiation happens continuously rather than reactivity spikes in a carefully managed reactor.

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