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← ScienceWhich risk increases for advanced reactors using thorium isotopes?
A)Increased transmutation of heavier actinides
B)Breeding of weaponizable uranium-233 isotopes✓
C)Proliferation of long-lived fission products
D)Risk of coolant void coefficient reversal
💡 Explanation
Weaponizable uranium-233 isotopes can be bred from thorium via neutron capture and subsequent beta decay, because this transmutation pathway enables nuclear fuel production. This breeding process facilitates diversion, therefore the fuel cycle presents proliferation issues, rather than enhanced transmutation performance.
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