The Himalayan Mountains are rugged, jagged peaks and the Appalachians are smooth and rolling. Why is there a difference
A)The Himalayas are much older and the rocks have begun breaking off.
B)The Himalayas are volcanic mountains and the Appalachians are not.
C)The Appalachians are much older and have been smoothed by erosion.
D)The Appalachians are younger and just started to be thrust upward by plate tectonics.
E)a and d

Question

Quizplus · Accepted Answer

The Appalachians are much older than the Himalayas and have been worn down over time by erosion, resulting in their smooth and rolling appearance. The Himalayas, on the other hand, are still rising and are rugged because they are being pushed up by tectonic activity.

The Himalayan Mountains Are Rugged, Jagged Peaks and the Appalachians