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← GeographyWhich outcome results when deep-sea organisms enhance bioturbation?
A)Increased sediment oxygen penetration✓
B)Decreased organic matter accumulation
C)Reduced methane hydrate formation
D)Accelerated ocean acidification rate
💡 Explanation
Increased bioturbation enhances oxygen penetration within marine sediments because the mixing of particles by organisms increases pore water flushing and aerobic respiration; therefore, oxygen profiles deepen to greater depths, rather than causing anaerobic digestion, methane production or acid build-up.
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