question: what are satellites used to take pictures of?
choices.text: people Earth animals humans underground small animals trees cell phones
choices.label: A B C D E F G H
fact2: Images of Earth taken from space.
combinedfact: satellites are used to take pictures of Earth from space
formatted_question: what are satellites used to take pictures of? (A) people (B) Earth (C) animals (D) humans (E) underground (F) small animals (G) trees (H) cell phones