Which outcome occurred in pre-Columbian terraced agriculture when erosion exceeded replenishment?

💡 Explanation

Declining soil nutrient retention occurred because soil erosion carries away topsoil, resulting in Nutrient Depletion, therefore reduced fertility ensued, rather than improved water infiltration or wind resistance which might happen if terraces were properly maintained.

• Which consequence resulted from imperfect sealing of a medieval Chinese repeating crossbow's magazine?
• Which mechanism prevented collapse in Inca polygonal stonework walls?
• Which risk increases when differential settling occurs in the foundations of a Mesopotamian ziggurat?
• Which mechanism allowed medieval longbows to achieve greater range and power compared to earlier bows?
• Which functional consequence arises when the Persian water wheel 'noria' output exceeds a pre-determined supply rate?
• Which outcome results when the geared astrolabe uses inaccurate angle representation in algebraic calculations?