Answer:
Nile, Tigris and Euphrates, Ganges, Indo, and Yellow River.
Step-by-step explanation:
Most of the human population started to flourish beside the river valleys. The presence of the river provided civilization water to grow crops and establish settlements. River valleys also provided fish and was a mode of transportation too. The great civilizations like Mesopotamia and Ancient Egypt are recorded to settle beside the Tigris and Euphrates Rivers and Nile Rivers. Harappan civilization flourished on the banks of Indus Valley.