The shape of this rock is likely to be the result of wind erosion rather than water erosion.
(The shape of this rock; is; likely to be the result of wind erosion rather than water erosion) (The shape of this rock; to be; the result of wind erosion rather than water erosion)
The shape of this rock The shape of this rock
is to be
likely to be the result of wind erosion rather than water erosion
the result of wind erosion rather than water erosion