Older mountain belts are found where former continent- continent collision occurred making thickened, low density crust like in ___________where erosion has exposed deformed Precambrian rocks from deep in the crust.
A) the Aleutians
B) the Mid Atlantic Ridge
C) the Cascades
D) the Appalachians and the Urals

Question

Quizplus · Accepted Answer

The Appalachians and the Urals are examples of older mountain belts formed from ancient continent-continent collisions. These collisions thickened the crust, and over time, erosion has exposed the deeply buried, deformed Precambrian rocks.

Older Mountain Belts Are Found Where Former Continent- Continent Collision