why is rehabilitation a successful form of punishment and why should it be used more in UK prisons? Answer soon please! :)

How do oceanographers measure the salinity of ocean water?

What did the pattern of earthquakes in the wadati-benioff seafloor zones show scientists? a.) earthquakes occur where the ocean floor reaches its highest temperatures. b.) many earthquakes take place 700 kilometers below the seafloor. c.) slabs of ocean floor return to the mantle in subduction zones. d.) ocean - trenches cause earthquakes.

The mississippi river is __ of washington, dc. north south east west