Answer: Permanent rivers are those which have water all year around. These are also called perennial rivers, and the water comes mostly from groundwater.
Explanation: I hope that is a good example for rivers around the world. If not then I'm sorry <3
Well ersion is one them because when any wheter hits us it usaully cause the roads grounds and ect to break other part of climate is polution do to the fact power plants, oil field, and gasoline all those thibgs go up to the clouds and and when it rains all the polution is sent back on to raods house and ground.
I think its D im not sure hope this helped
True because the person that set the price of what ever product they want to up; it's up to the receiver to want he product or not