Here's why:
* The Ring of Fire: This is a zone of intense seismic and volcanic activity encircling the Pacific Ocean. It's caused by the movement of tectonic plates, specifically the subduction of oceanic plates beneath continental plates.
* Subduction: The Nazca Plate is being subducted (pushed) under the South American Plate.
* Mountain Building: This subduction process creates immense pressure and heat, causing the continental plate to buckle, fold, and uplift, leading to the formation of the Andes Mountains.
While other mountain ranges exist around the Ring of Fire, the Andes are the most prominent and directly result from the specific plate interaction described above.
