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Which risk increases when heavy atomic nuclei absorb neutrons?

A)Uncontrolled nuclear fission arises
B)Nuclear fusion cross-section increases
C)Neutron binding energy escalates
D)Alpha decay half-life lengthens

💡 Explanation

An augmented neutron count can induce nuclear fission, because the increased nuclear instability prompts decay via neutron-induced fission rather than other decay modes. Therefore, a chain reaction causing fission is more likely, rather than increased fusion likelihood.

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