question: the what is another potential threat in the environment?
choices.text: Decaying vegetation air causing breathing virus causing smallpox wind causing blowing microorganisms spread disease water causing hydration lung irritants
choices.label: A B C D E F G H
formatted_question: the what is another potential threat in the environment? (A) Decaying vegetation (B) air causing breathing (C) virus causing smallpox (D) wind causing blowing (E) microorganisms (F) spread disease (G) water causing hydration (H) lung irritants