The correct answer is <em>"</em><em>The Tigris and Euphrates Rivers</em><em> produced silt that fertilized the soil."</em>
Mesopotamia's soil was fertile and had good conditions for farming and agriculture cultivation, however, due to dry climate conditions it didn't have enough rainfalls which put under danger farming in this region. difficult. ... Irrigation by The Tigris and Euphrates Rivers helped Mesopotamian civilization to water the farmlands with the river's waters.
