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← ScienceWhich risk increases when microwave radiation excites rotational modes excessively in molecular food structures?
A)Uneven heating causing localized burns✓
B)Nutrient degradation from resonant bond breakage
C)Carcinogen formation through structural change
D)Reduced palatability due to cell rupture
💡 Explanation
When microwave radiation excites rotational modes excessively, dielectric heating occurs because polar molecules rapidly re-orient themselves attempting to align with the alternating electric field, increasing the kinetic energy and therefore temperature preferentially in some areas. Therefore uneven heating results, rather than nutrient loss, carcinogens or palatability reduction which involve different chemical processes.
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