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island




tropical island
A comparatively small land area entirely surrounded by water, a result of the buildup of the cone of a submarine volcano, erosion by the sea or glaciers of a parts of coastal regions, diastrophism, or other processes.

Island arcs are curving chains of islands. They are often associated with earthquake activity, and have deep ocean trenches on the convex sides.


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   • GEOGRAPHY
   • GEOLOGY AND PLANETARY SCIENCE