Which processes are important in the formation of volcanic arcs at the edge of continental plates?

Question

Select the two correct answers.
uplift
plate divergence
subduction
passing over a hotspot

Answer 1

The two correct processes important in the formation of volcanic arcs at the edge of continental plates are:

1. Subduction - This process occurs when one tectonic plate moves under another and sinks into the mantle. This is a key factor in the formation of volcanic arcs, as it leads to melting of the subducted plate and the generation of magma that can result in volcanic activity.

2. Uplift - As magma rises towards the surface, it can cause the crust to uplift, contributing to the formation of volcanic arcs. This uplift is often associated with the volcanic activity that characterizes these regions.

Thus, the correct answers are uplift and subduction.