question: What allows fish to move through the water without slowing down too much?
choices.text: pebbles scales backbones bladder ice leaves a beak friction
choices.label: A B C D E F G H
formatted_question: What allows fish to move through the water without slowing down too much? (A) pebbles (B) scales (C) backbones (D) bladder (E) ice (F) leaves (G) a beak (H) friction