question: What happens when sonic waves make eardrums vibrate?
choices.text: shaking it increases cancer the rate of travel one can sleep one goes deaf One can hear intensity
choices.label: A B C D E F G H
fact2: Sound waves cause the eardrum to vibrate.
combinedfact: One can hear when sonic waves cause the eardrum to vibrate. 
formatted_question: What happens when sonic waves make eardrums vibrate? (A) shaking (B) it increases (C) cancer (D) the rate of travel (E) one can sleep (F) one goes deaf (G) One can hear (H) intensity