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.
The Pacific Ocean is surrounded by a hotbed of volcanic activity referred to as the Ring of Fire; an arc of volcanoes formed around its borders. Almost the entire boundary of the Pacific Ocean is a subduction zone; a boundary between two tectonic plates. The volcanoes on the west coast of North America are a result of the Pacific Plate (under the Pacific Ocean) colliding with the North American Plate.