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← HistoryWhich soil process led to increased agricultural output in ancient Andean terraced farming?
A)Reduced erosion from stepped topography✓
B)Accelerated leaching of nutrients
C)Decreased groundwater recharge
D)Enhanced topsoil acidification
💡 Explanation
When sloping land is terraced, the terraced walls reduce kinetic energy of water because the horizontal surfaces intercept rainfall, significantly reducing erosion. Therefore reduced erosion resulted, rather than leaching, recharge decrease or acidification which are worsened by increased slope without terraces.
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