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← Earth & Natural SystemsIf a newly formed freshwater wetland experiences sustained flooding with stagnant water, which consequence is most likely?
A)Increased aerobic decomposition rates
B)Enhanced plant species diversification
C)Decreased sedimentation and nutrient runoff
D)Accumulation of peat and methane emission✓
💡 Explanation
Sustained flooding promotes anaerobic conditions within the wetland because oxygen diffusion is limited in stagnant water; therefore, anaerobic decomposition dominates, leading to peat accumulation and methane production, rather than aerobic processes or enhanced plant diversity.
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