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Which risk increases when hydrogen isotopes fuel magnetically-confined plasma fusion?

A)Neutron embrittlement in vacuum vessel
B)Gamma radiation inducing sample degradation
C)Accelerated alpha particle energy depletion
D)Spontaneous fission product chain reactions

💡 Explanation

Neutron embrittlement increases because deuterium-tritium fusion produces high-energy neutrons. These neutrons bombard the vessel walls, causing defects in the material’s crystal structure; therefore embrittlement, rather than gamma or alpha radiation risks are amplified.

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