Then the major processes that act internally to form mountain chains and new ocean basins and to move the relatively few large plates which comprise the earth's surface are brought together through the hypothesis of plate tectonics.
(the relatively few large plates; comprise; the earth's surface) (the major processes that act internally; are brought; together; T:Then) (the major processes; act internally; to form mountain chains and new ocean basins and to move the relatively few large plates) Context(the major processes act internally,List([5, 44))):(the major processes; act internally to form; mountain chains and new ocean basins)
the major processes act internally,List([5, 44))
the relatively few large plates the major processes that act internally the major processes the major processes
comprise are brought act internally act internally to form
the earth's surface
together T:Then
to form mountain chains and new ocean basins and to move the relatively few large plates
mountain chains and new ocean basins