Answer:
The Great Smoky Mountains are a mountain range rising along the Tennessee–North Carolina border in the southeastern United States. They are a subrange of the Appalachian Mountains, and form part of the Blue Ridge Physiographic Province.
In the development of a terrestrial planet, the stage of *flooding* occurred when dense material settled to the core and less dense to the outer parts.
Every river and it's flow has source and mouth: source is the part of the flow of the river- the place where the river starts and mouth is the part where the river flows into a sea or lake.
