Answer:
Every year, floods on the Tigris and Euphrates rivers brought silt, a mixture of rich soil and tiny rocks, to the land. The fertile silt made the land ideal for farming. The first farm settlements formed in Mesopotamia as early as 7000 BC. Farmers grew wheat, barley, and other types of grain.
Answer:
Every year , floods on the Tigris and Euphrates rivers brought silt, a mixture of rich soil and tiny rocks , to the land.
