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← HistoryWhich consequence results when excessive sediment accumulated within Aztec chinampas?
A)Decline in crop yields overtime✓
B)Increased soil salinity levels result
C)Faster nutrient depletion within canals
D)Greater risk of slope instability
💡 Explanation
Crop yield declines because sediment accumulation reduces available root volume and limits nutrient cycling via decomposition, rather than increases salinity levels observed in poorly irrigated areas; therefore, plants are subject reduction. Sediment inhibits oxygen diffusion.
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