WORLD CIVILIZATION

Detailed explanation-1: -Answer and Explanation: The most common occupations in ancient Sumer, as in all other parts of the ancient world, were farmers or work related to farming and rearing livestock.

Detailed explanation-2: -A lot of student learning was done by writing out cuneiform compositions ("school texts") on clay tablets. A large number of tablets preserving scribal students’ exercises (called “exercise tablets") have been found at sites throughout the Near East.

Detailed explanation-3: -The wheel, plow, and writing (a system that we call cuneiform) are examples of their achievements. The farmers in Sumer created levees to hold back the floods from their fields and cut canals to channel river water to the fields. The use of levees and canals is called irrigation, another Sumerian invention.