Which maintenance challenge threatens terrace stability during prolonged use?

💡 Explanation

Downslope movement increases as soil cohesion decreases; this is called mass wasting. The reduced strength causes terrace failure, therefore cohesive strength is overcome because gravity and pore pressure increase rather than nutrient depletion being the sole driver.

• Which consequence resulted from clogged qanat conduits within ancient Persian garden systems?
• Which mechanism limited Viking longship voyages in winter?
• Which outcome results from water accumulation behind Inca retaining walls?
• Which material failure increases in structural sandstone when improperly bonded to pietra dura inlay?
• Which consequence arose if a quipu's checksum verification failed during transfer?
• Which mechanism MOST directly allowed early steelmakers to achieve higher carbon content in steel production?