Which purpose did terracing on hillsides during pre-Columbian maize cultivation primarily fulfill?

💡 Explanation

When maize is cultivated on slopes, terracing is employed because bench terraces interrupt runoff, minimizing soil erosion, and capture rainwater allowing soil moisture retention leading to higher yields. Therefore erosion control and moisture conservation emerge, rather than pest isolation, rapid drainage, or aeration which aren't its primary functions.

• Which consequence results from inadequate nixtamalization during early maize preparation?
• Which mechanism primarily allowed Roman concrete structures, such as the Pantheon, to remain intact for centuries?
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• Which outcome occurred due to advancements in algebra within celestial observation during the Islamic Golden Age astronomy?
• On Andean agricultural terraces, which consequence results from inadequate drainage channel maintenance?
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