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← ScienceWhich risk dramatically increases in fusion reactors lacking sufficient tritium breeding?
A)Accelerated first wall neutron embrittlement
B)Reactor chamber vacuum backstreaming
C)Plasma fluctuations causing thermal runaway
D)Fuel starvation leading to reactor halt✓
💡 Explanation
Fuel starvation increases because tritium fuel must be continuously replenished in deuterium-tritium fusion; tritium breeding criticality results from increased neutron flux leading to the *neutron activation* mechanism; therefore the reactor halts due to a lack of fuel, rather than structural damage or instability.
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