question: What will happen when sound passes through a fibrous material?
choices.text: heating friction swelling nodes protection amount of heat feedback Slows down Unsafe
choices.label: A B C D E F G H
fact2: On a molecular level, a fibrous material can also slow the speed of transmission of sound.
combinedfact: Sound passing through a fibrous material will slow down
formatted_question: What will happen when sound passes through a fibrous material? (A) heating (B) friction (C) swelling nodes (D) protection (E) amount of heat (F) feedback (G) Slows down (H) Unsafe