Question

The Sumerians were the world's first civilization. Which of the following are they credited with first developing?

Answer 1

Answer:

A writing system

Explanation:

Answer 2

No,options provided,

however, Sumerian is an ancient Mesopotamia civilization that was located on the plains of the dried Euphrates river. they were agriculturalists and invented the earliest form of writing known as cuneiform,they also invented an ancient form of calendar, as well as irrigation methods and the ox plow.