Which agricultural limit was reduced by the Incan system of terrace contour construction?

💡 Explanation

Terracing reduces water flow velocity on sloping land reducing erosion via flow dissipation. Therefore, topsoil erosion decreases, rather than exacerbating transpiration, salinity, or monoculture vulnerability because the slope's existing conditions dictate surface runoff amount unless mitigated via structural changes.

• Which benefit results when the Aztecs constructed chinampas in shallow lake beds?
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