High density of people in Hong Kong, New york City, all big citys in India like Delhi or calcuta
15 degrees (1 degree every 4 minutes)

LOWA is the state which is bordered by the Mississippi River on the east , the Missouri River and the Big Sioux River on the western side .
HOPE IT HELPS YOU.
Answer:
Erosion can cause water in the rivers to become heavily polluted. The water might carry pesticides, heavy metal ions and other toxic wastes. When this water will be used for irrigation purposes, the growth of plants will be heavily affected by them.
When humans use water this contaminated water from the rivers, it will led to many diseases in humans. Also, the wild- life animals which depend on this river might take in toxic compounds due to which they might die.