Question

If subduction occurs beneath the continental crust a(n) _____________ is formed. If subduction occurs beneath the oceanic lithosphere, a(n) __________ is formed.
Responses
A island arc, volcanic arcisland arc, volcanic arc
B volcanic arc, island arc
volcanic arc, island arc
C transform fault, transform arctransform fault, transform arc
D transform arc, transform fault

Answer 1

The correct response is:

**B: volcanic arc, island arc**

In this context:
- When subduction occurs beneath continental crust, a **volcanic arc** is formed.
- When subduction occurs beneath oceanic lithosphere, an **island arc** is formed.