question: What does the hole over antarctica reduce?
choices.text: the weight of the air the environment water vapor Ultraviolet shielding air pollution Warm air radiation Warm water
choices.label: A B C D E F G H
fact2: Ozone is a key atmospheric chemical and protective ultraviolet shield.
combinedfact: the hole over antarctica reduces ultraviolet shielding
formatted_question: What does the hole over antarctica reduce? (A) the weight of the air (B) the environment (C) water vapor (D) Ultraviolet shielding (E) air pollution (F) Warm air (G) radiation (H) Warm water