Answer:
The Answer is "Flooding in the spring, and salt deposits in the soil".
Step-by-step explanation:
Mesopotamia was in the middle east, were there wasn't much rain. There was also no rocky terrain's since the civilization was built surrounding desert. There was also no frigid tenperatures since they were in desert- like areas. There was also no arid climate since it was mostly hot outside. However, there was flooding from the Nile river, and becuse of that, there was los of deposits in the soil. I also know this is true, because I learned it in sixth grade.