On steep Andean slopes, which key benefit did terrace construction provide for maize cultivation, mitigating a critical risk?

💡 Explanation

Terrace construction on steep slopes reduces soil erosion because the level platforms interrupt water runoff and diminish water flow, preventing intense soil detachment and downhill transport. Therefore, reduced soil erosion is the key benefit, rather than increased sunlight, nitrogen fixation, or lower temperature which require other optimization mechanisms and environmental conditions.

• Which risk increases when a Roman aqueduct's settling tank experiences turbulent inflow?
• Which advantage was conferred by the intensive labor investment required cultivating chinampas in Aztec society?
• Which risk increases when early steam engines used uninsulated cylinders?
• Which risk increases when differential settling occurs in the foundations of a Mesopotamian ziggurat?
• Which outcome arises when tin content significantly decreases in ancient bronze casting?
• Which mechanical instability limited the maximum firing range of torsion-powered Roman siege weaponry?