question: What can a circle graph be used for?
choices.text: to show cause and effect homeostasis safe operation feedback feedback mechanisms safe driving to show patterns to show percents
choices.label: A B C D E F G H
fact2: Display screen shows it all.
combinedfact: a circle graph can be used to show percents
formatted_question: What can a circle graph be used for? (A) to show cause and effect (B) homeostasis (C) safe operation (D) feedback (E) feedback mechanisms (F) safe driving (G) to show patterns (H) to show percents