Final answer:
The Appalachian Mountains are part of an ecoregion.
Explanation:
True. The Appalachians are indeed part of an ecoregion. These ancient mountains, significantly eroded down to rolling hills, span most of the Southeastern United States. They can be divided into distinctive physiographic provinces, each with unique topography and geology, like the Valley and Ridge and Blue Ridge Provinces.
Learn more about Appalachian Mountains and ecoregions here:
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