1. What are the three physical/geometric characteristics common to all folds whose variations in orientation are used as modifiers to classify the different folds into distinctive types?? A (for the map position of the fold); B (for the plunge of the fold axis); C (for the tightness of the interlimb angle); D (for the age of the fold); E (for the amplitude of the fold) or F (for the tilt of the folds axial plane)..