Which outcome occurs during repeated freezing and thawing in early terrace farming?

💡 Explanation

Increased soil erosion (solifluction) occurs, because freeze-thaw cycles cause the soil's saturated surface layer to flow downslope along an impermeable layer. Therefore, soil is displaced downslope, rather than the enhanced crop yield some seek through cryoturbation.

• Which consequence results when gravity overcomes the structure supporting terraces?
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• Which problem was addressed with Roman concrete's hydraulic behavior?
• Which outcome followed depletion of natron deposits, essential for fixing colours in Byzantine silk textile dying, in 8th century Egypt?