question: Why do polar bears have two layers of fur?
choices.text: 70-75 degrees Fahrenheit Prevent injuries To survive in their environment Amount of melanin To stay cold Ultraviolet shielding protective plates To help them swim faster
choices.label: A B C D E F G H
fact2: Polar bears have two layers of fur for further protection from the cold.
combinedfact: Polar bears have two layers of fur to live in their environment
formatted_question: Why do polar bears have two layers of fur? (A) 70-75 degrees Fahrenheit (B) Prevent injuries (C) To survive in their environment (D) Amount of melanin (E) To stay cold (F) Ultraviolet shielding (G) protective plates (H) To help them swim faster