Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Light will almost always travel from one place to another along a path of least:: distance; expense; time; complication; effort
Right answer summary: time
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Light will almost always travel from one place to another along a path of least:: distance; expense; time; complication; effort
Right answer summary: time
Question state: todo