Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Sound connot travel through _____: Liquids; Vacuum; Gases; Elevators
Right answer summary: Vacuum
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Sound connot travel through _____: Liquids; Vacuum; Gases; Elevators
Right answer summary: Vacuum
Question state: todo