Find the Aleutian trench that is circled on the map seen here. This area is the site where two tectonic plates meet. Islands hav
e formed due to volcanic activity; tsunamis are a reasonable occurrence; there is a great trench here, the Aleutian Trench. What is this region called where the heavier, more dense crust sinks beneath the lighter crust. A) subduction zone
B) divergent oceanic-continental plate boundary
C) convergent continental-continental plate boundary
D) divergent oceanic-oceanic plate boundary
