What do you think the blue/grey parts of the thematic map show us in Source D?

Which type of seismic waves are confined at the surface

Which of teh following would explain the importance of the trans-siberian railroad to russia's economy? (schoology test)

Which characteristics of temperature and salinity have the greatest influence on the movement of deep-ocean currentsa. warm and low salinityb. cold and high salinityc. cold and low salinityd. warm and high salinity