What is the present-day name of the river(s) around which your chosen

civilizations were in the of Egypt and in the region Mesopotamia

In Egypt, the present-day name of the river is the Nile River. It is the longest river in Africa and flows through 11 countries, including Egypt.

In Mesopotamia, the present-day name of the rivers is the Tigris and Euphrates Rivers. These two rivers are still prominent in the region and flow through modern-day countries such as Turkey, Syria, Iraq, and Iran.