Final answer:
The Appalachian Mountains will erode and become lower and smoother over time.
Step-by-step explanation:
The Appalachian Mountains, located in eastern North America, are geologically old. Over time, the forces of erosion, weathering, and uplifting have shaped and sculpted the mountains. Therefore, it is predicted that the Appalachian Mountains will continue to erode and gradually become lower and smoother over millions of years.
Learn more about The future of the Appalachian Mountains