question: What can be used to display parts per hundred?
choices.text: changes in size antigens a circle graph an invisible graph nothing Surfaces and counters melanin amount an audio recording
choices.label: A B C D E F G H
fact2: Percent is parts per hundred.
combinedfact: a circle graph can be used to display parts per hundred
formatted_question: What can be used to display parts per hundred? (A) changes in size (B) antigens (C) a circle graph (D) an invisible graph (E) nothing (F) Surfaces and counters (G) melanin amount (H) an audio recording