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← ScienceWhich process influences pressure when tritium decays within a confined fusion target?
A)Increasing Coulomb repulsion among ions
B)Decreasing electron degeneracy pressure
C)Helium concentration causing volume change✓
D)Enhanced neutron absorption coefficient
💡 Explanation
Helium gradually accumulates because tritium decay is accompanied by Beta-minus decay, which transmutation increases non-reactive helium concentration therefore raising internal vessel pressure rather than altering direct nuclear forces or degeneracy, this volume change is the core consideration.
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