Related words. 1  poke noun. 2  poke around phrasal verb. 3  poke fun (at) phrase.  a pig in a poke 1  phrase. poke a hole in something phrase.  poke/shove/stick your nose into something 1  phrase. poke about phrasal verb at poke around.  poke fun at phrase at make fun of.
  Volcanic arcs form at plate subduction zones. Island arcs are volcanic islands that form over hot spots in the Earth's mantle. Because the islands are moving with the â¦ oceanic plate, they eventually are removed from the hot spot, forming a chain of islands in the direction of the plate movement.Answered.olcanic arc along continental boundaries. Example would be the ring of fire which surrounds the pacific ocean along continental plates.
island arc and trench map view island arcs and trenches are major structural features together with oceanic ridges of ocean basins as the name implies island arcs are typically a curving chain of volcanic islands occurring around the margin of ocean basinsthe curvature and the volcanic nature are important characteristic featuresross section not all volcanic chains are island arcs however and not all island arcs are islands for example the hawaiian islands are an example of a linear chain of volcanoes in the middle of the pacific ocean that is not an island arc