Sumer farmers built levees to keep floodwaters out of their farms and dug canals to channel river water into the fields. Another Sumerian invention is irrigation, which involves the use of levees and canals.
Option C is not an innovation credited to the Sumerians.
The wheel, arithmetic, irrigation, geometry, cuneiform script, farm saws and other tools, sandals, chariots, harpoons, and beer were all devised or refined by Sumerians.
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https://brainly.com/question/1300930
