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← ScienceWhich consequence results when thorium-232 contamination occurs within groundwater aquifers?
A)Increased alpha particle induced radiolysis✓
B)Elevated hydrogen gas subsurface pressure
C)Reduced actinide complexation with humic acid
D)Decreased aerobic microbe facilitated oxidation
💡 Explanation
Thorium decay produces alpha particles. Alpha decay causes water radiolysis because water molecules absorb their energy within a short distance, breaking bonds and forming radicals; therefore, enhanced radiolysis happens next to thorium, rather than pressure increase from beta decay, or complexation changes.
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