5. what was the first civilization and where was it located?

5. what was the first civilization and where was it located?
Answer
Brief Explanations:
The first known civilization is generally considered to be the Sumerian civilization. It was located in Mesopotamia, which is the area between the Tigris and Euphrates rivers. This region is in modern - day Iraq. The Sumerians developed complex systems of writing (cuneiform), urban centers, and advanced agricultural and irrigation techniques.
Answer:
The first civilization was the Sumerian civilization and it was located in Mesopotamia (between the Tigris and Euphrates rivers, modern - day Iraq).