The most important processes in shaping earth's surface have been: Plate tectonics: Crustal plates on earth gradually move in various directions, colliding to form mountain ranges and so on.
(Crustal plates on earth; colliding; to) (Crustal plates on earth; gradually move; in various directions) Context(Crustal plates on earth gradually move,List([84, 122))):(The most important processes in shaping earth's surface; have been; Plate tectonics)
Crustal plates on earth gradually move,List([84, 122))
Crustal plates on earth Crustal plates on earth The most important processes in shaping earth's surface
colliding gradually move have been
to
in various directions
Plate tectonics