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← HistoryWhich challenge do ancient terraced agricultural systems overcome via sediment capture?
A)Soil nutrient depletion downstream✓
B)Increased evapotranspiration rates
C)Higher pest susceptibility risks
D)Sunlight blockage to lower terraces
💡 Explanation
Terraced fields capture eroded soil on the step-like structure, using Sediment Trapping. This mitigates downstream nutrient loss, because the nutrient rich topsoil is retained, thereby favoring upper crops, rather than being washed away.
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