Select the combination of characteristics that diagnose a plateboundary as a subduction zone (oceanic-oceanic oroceanic-continental convergent boundary) (i.e., select all featuresthat are shared by all subduction zones). There are 3 correctanswers.
low topographic ridge in ocean basin
shallow earthquakes only
high broad mountain range
symmetric pattern of seafloor age across boundary
chain of volcanoes
shallow and deep earthquakes