At a continental-continental convergent boundary,

one continental plate is subducted below the other
fault-block mountains are formed
folded mountains are formed
both continental plates are subducted

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

The world wars of the twentieth century immediately led to a. the establishment of a communist bloc in eastern europe b. the urbanization of europe’s societies c. an emphasis on humanism d. an emphasis on ties to greek and roman societies select the best answer from the choices provided. a b c d

Which soil layers comprise the topsoil? o horizon a horizon b horizon c horizon