The Red Sea. It is rapidly expanding due to plate tectonics.
Answer:
Mid ocean ridge are where new crustal material is forced to the surface. The new crustal material is pushed apart forming two different plates moving in two different directions. An ocean trench is where old crustal material is pushed under another plate where it is melted and turned into magma.
True i pretty sure but ya know
Most dense in U.S.: California. Least dense: The Dakotas.
Most dense Canada: Toronto, Montreal. Least dense: Northwest territories