Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Farsighted people must wear ______.: convex lenses; Flat lenses; nevenly curved lenses; Concave lenses
Right answer summary: convex lenses
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Farsighted people must wear ______.: convex lenses; Flat lenses; nevenly curved lenses; Concave lenses
Right answer summary: convex lenses
Question state: todo