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.
It's pretty easy if they were raised in the area I believe. You can enjoy nature, hang out with friends and family, and much more. It isn't really isolating if you're used to it, so I wouldn't really know. Hope this answers your answer though.
C. formal regions are known as "formal" because of the characteristics known by the people who live there and/or visit there
