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← ScienceWhich consequence results when rapid deposition creates tungsten-180 during fusion?
A)Increased neutron absorption cross-section
B)Plasma instability via sawtooth oscillations✓
C)Reduced divertor target erosion rate
D)Enhanced tritium breeding performance
💡 Explanation
Plasma instability results because of fuel dilution via **isotope shifting**, where heavy isotopes concentrate centrally. Therefore, the changed fuel composition leads to degraded performance, rather than optimized breeding or radiation reduction, which would happen with even isotope distribution.
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