While Mesopotamia's soil was fertile, the region's semiarid climate didn't have much rainfall, with less than ten inches annually. This initially made farming difficult. Two major rivers in the region - The Tigris and Euphrates - provided a source of water that enabled wide-scale farming.
Explanation:
Geography Mesopotamian's changed their environment to improve life, rivers support agriculture? Semiarid climate - hot summers, less than 10 inches of annual rainfall. Crops grew in this dry region because of rivers, fertile soil - many farming villages across southern Mesopotamia by 4000 B.C.
