Yo help- gygufyutft7iutuih

It is called the Yellow River because its waters carry silt, which give the river its yellow-brown color, and when the river overflows, it leaves a yellow residue behind. While the river helps create fertile land that is suited for farming, during certain times of the year the Huang He frequently overflows.

Explanation:

i would say b probably

sumerians were polytheistic, meaning they believed in many different gods. so, the best answer is c.