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Explain how the water in canals and irrigation ditches was controlled so that farmers could use it. (Site 1)

User AndrewP
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Answer:

The water in Mesopotamian canals and irrigation ditches was controlled by: Regulators.

User Marc Tarin
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Answer:

The two-tier ditch uses plants and microbes to trap soil and nutrients, keeping them out of the runoff water. The ditch also slows down the water flow. Overall, the water that leaves the two-tier ditch is cleaner than water from a standard ditch.

Step-by-step explanation:

User Kimia
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