How did the huang he river contribute to the growth of the chinese civilization? a. the fertile soil led to food surpluses, which supported a larger group of people. b. the routine flooding resulted in dependable irrigation for multiple crops. c. the loess at the bottom of the river was valuable, creating solid trade. d. the river covered such a small area that it brought people into a limited region.

The correct answer is A. The fertile soil led to food surpluses, which supported a larger group of people.

The river contains rich silts that are carried downstream as it flows. As a result of this fertility, the River attracted large populations that settled along the river banks due to surplus of food

what are local authorities doing to fix the problem

explanation:

there has only been 12 presidents. the 12th president is/was moon jae-in