Became suitable sites for new civilizations like mesopotamia because they provided arable land and sources for irrigation. a. coastal plains b. mountainous regions c. tropical forests d. river valleys

The correct option is D

Mesopotamia (land between rivers) is the name by which the zone of the Near East located between the Tigris and Euphrates rivers is known, although it extends to the fertile zones contiguous to the fringe between both rivers, and that approximately coincides with the non-desert areas of present-day Iraq and the boundary zone of northeastern Syria.

D

Explanation:

On Edge 2021

this article will :

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.