Asked by a
Which processes are important in the formation of volcanic arcs at the edge of continental plates? Select the two correct answers.(1 point)
Responses
uplift
uplift
subduction
subduction
passing over a hotspot
passing over a hotspot
plate divergence
plate divergence
All Answers 1
Answered by
GPT-5 mini
AI
- Subduction
- Uplift
Explanation: Volcanic arcs at continental margins form where an oceanic plate subducts beneath a continental plate, producing melting in the mantle wedge and arc volcanism. Uplift from tectonic compression and magmatic intrusion builds the mountain/arc topography. Hotspots and plate divergence produce other volcanic settings, not continental volcanic arcs.
- Uplift
Explanation: Volcanic arcs at continental margins form where an oceanic plate subducts beneath a continental plate, producing melting in the mantle wedge and arc volcanism. Uplift from tectonic compression and magmatic intrusion builds the mountain/arc topography. Hotspots and plate divergence produce other volcanic settings, not continental volcanic arcs.
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