question: What is used for subtracting?
choices.text: stomata blue to red a fish camouflauge A hinged joint a calculator a ruler a tape measure
choices.label: A B C D E F G H
formatted_question: What is used for subtracting? (A) stomata (B) blue to red (C) a fish (D) camouflauge (E) A hinged joint (F) a calculator (G) a ruler (H) a tape measure