Which process decreases slope stability most rapidly through bioturbation?

💡 Explanation

Enhanced horizon mixing due directly to bioturbation by burrowing animals redistributes the soil, therefore decreasing its cohesion and mass-wasting resistance, especially on unstable slopes, because it disrupts soil structure, rather than stabilizing soil like vegetation.

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• Which risk increases when artificial levees constrict a river's floodplain during an extreme rainfall event?
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