The Appalachian Trail, extending approximately 2,020 miles from Maine to Georgia, is the l

Extending from Quebec to Alabama, the Appalachian Mountain region is extensive and very sc

A．Amber mined from the Appalachian Mountains.B．Amber with no imperfections.C．Amber con

The Backbone of North America refers to theA．Appalachian Mountains.B．Rocky Mountains.C．Cas

The Backbone of North Atnerica refers to theA．Appalachian Mountains.B．Rocky Mountains.C．Ca

Lying between the Appalachian Mountains and the Rocky Mountains is one of the worlds great

The Appalachian Trail, ______approximately 2020 miles from Maine to Georgia, is the longes