2. The Sumerians learned to control the flooding of the Tigris and Euphrates Rivers by building ____________________blank.
3. They watered their fields in dry weather by __________________________________

Respuesta :

Answer:

Irrigation

Explanation:

Sumerians used irrigation systems to farm and control the Tigris and Euphrates River.

Answer: They built little canals or ditches. They broke the little piece of dirt or rock that held the water in the canal to water the plants.