Answer the following question given this paragraph: 

Volcanic mountain ranges form when oceanic crust subducts into the mantle at convergent plate boundaries. The Andes Mountains are a chain of coastal volcanic mountains. They are forming as the Nazca plate subducts beneath the South American plate ( Figure below ).


Q: What forms when oceanic crust subducts into the mantle at convergent plate boundaries?

 Choices:

- tsunamis

- glaciers

- coral

- volcanic mountain ranges

A:
volcanic mountain ranges
