What were some of the causes of the amu darya and syr darya rivers being ruined? select all that apply.

The Amu Darya and the Syr Darya are among the significant rivers in the Central Asia wherein it has been a major source of economic needs in the region during the ancient times. However, as of recent date, the rivers were slowly on the brink of destruction due to the ongoing development of structures and increasing population surrounding these rivers causing huge amounts of pollution of many forms.

What are the options?