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← ScienceWhich outcome occurs faster with thorium isotopes-based nuclear fuel?
A)Neutron absorption cross-section increasing sharply
B)Moderator material exhibiting pronounced Cherenkov radiation
C)Breeding U-233 via neutron capture✓
D)Control rods undergoing accelerated thermal expansion
💡 Explanation
Breeding U-233 occurs via neutron capture by Th-232 and subsequent beta decays, therefore, the **neutron capture** mechanism occurs relatively quickly because Th-232 readily absorbs neutrons, rather than other processes which involve different isotopes or materials.
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