question: What do amphibians use to make sounds?
choices.text: backbones keratin a bill Voice box energy a beak wings FM systems
choices.label: A B C D E F G H
formatted_question: What do amphibians use to make sounds? (A) backbones (B) keratin (C) a bill (D) Voice box (E) energy (F) a beak (G) wings (H) FM systems