Answer:
Option C.
Volcanoes are associated with subduction and a convergent plate boundary
Explanation:
Subduction zone in volcanism occurs in a situation where two tectonic plates are converging on one another. One plate which contains oceanic lithosphere descends beneath the adjacent plate. This makes the oceanic lithosphere to be consumed into the crust.
Most Volcanoes in Hawaii are formed through subduction. This is shown by the presence of subduction zones in the region.
Thus option C is correct
Characteristics of a rejuvenated river include water that flows rapidly with sloping sides that create steep cuts on the valley floor.
It was caused by a mix of different scenarios. Rome was constantly attacked by Barbarian tribes; they were over-expanded, which made it really hard for them to keep their entire empire under control; they had a lot of economic problems and relied too much on slave labor; and they spent way too much money on their military, just to name a few factors.