For removable partial dentures, tilting of the cast during surveying procedures alters the
1. path of insertion.
2. direction of dislodging forces.
3. position of the survey line in relation to the horizontal plane.
4. location of the undercut and non undercut areas of each tooth.

(1) (3) (4)

(1) (2) (3)

(1) and (4)

(2) and (3)

All of the above.