question: What type of mercury is used to measure air pressure?
choices.text: weater lamphreys tubular organ Type O Otoacoustic the same Elemental marine
choices.label: A B C D E F G H
fact2: Uses Elemental mercury is used in thermometers, barometers, and pressure-sensing devices.
combinedfact: Elemental mercury helps measure air pressure
formatted_question: What type of mercury is used to measure air pressure? (A) weater (B) lamphreys (C) tubular organ (D) Type O (E) Otoacoustic (F) the same (G) Elemental (H) marine