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← ScienceWhich consequence results when radioactive decay alters crystal structure?
A)Increased piezoelectric generation efficiency
B)Accelerated metallic creep propagation
C)Spontaneous combustion within the lattice
D)Perturbation of phonon propagation speeds✓
💡 Explanation
Changes arising from alpha decay induce defects in the crystal lattice; this phonon scattering increases because the atoms vibrate differently near isotope decay products. Therefore, phonon propagation is perturbed, rather than triggering combustion; metals undergo dislocation glide and creep.
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