Which benefit primarily resulted from terrace farming in the pre-Columbian Andes?

💡 Explanation

When slopes were terraced, flow-induced shear stress decreases because of friction reduction and surface area reduction, preventing soil detachment and transport during heavy rain. Therefore erosion is reduced rather than insulation, absorption, or sedimentation, which require entirely different mechanisms related to thermal properties or material transport.

• Which problem occurred frequently when ancient Mesopotamian irrigation canals silted up with sediment?
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• Which limitation arose when early astrolabes were constructed with cast bronze instead of machined brass?
• Which fabrication outcome arose when early Mesopotamian bronze smiths intentionally added tin to copper?
• Which structural problem emerged in large wooden sailing ships due to the 'hogging' effect?
• Which function did the 'sinus versus' (versed sine) serve in calculations using medieval astrolabes?