How far below the earth's surface do intermediate-focus earthquakes occur?

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.

Political boundaries are determined by the political party in control at the time. true or false

The language and religion of france developed from which people? a. the franks b. the gauls c. the anglo-saxons d. the romans