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← HistoryWhich limited resource caused increased terracing amongst the Inca?
A)Adequate arable land availability
B)Sufficient irrigation water access
C)High-altitude soil nutrient exhaustion✓
D)Stable seasonal frost prevention
💡 Explanation
Nutrient exhaustion occurs because continuous cropping depleted the soil. Therefore, terracing redistributed the remaining fertile topsoil through slope stabilization, promoting water retention and reducing erosion; rather than allowing existing fields to become wastelands.
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