In pre-Inca Andean terrace farming, which consequence arises if a retaining wall collapses?

💡 Explanation

Nutrient runoff occurs because terrace collapse interrupts water retention, causing eroded topsoil to wash downhill, therefore downstream fields suffer from lost fertilizer, rather than simple soil drying or root problems within intact terraces.

• Which outcome arises from exceeding compressive limit during Roman wall construction?
• Which risk increases significantly when tesserae detach Byzantine mosaics?
• Which outcome occurred in 18th-century wooden ships when dissimilar metals contacted in seawater?
• Which advantage occurred during a siege of a medieval castle because improved mortar was used in the high stone walls?
• Which limitation constrained the size limits the complexity of pietra dura inlays of Agra Fort?
• Which outcome occurs when a ship's hull plating experiences extended immersion in saline water?