question: A barometer is used to measure what?
choices.text: 295 degrees Kelvin snow, ice, and rock visibility rainfall safe operation rain weather climate weight of air
choices.label: A B C D E F G H
fact2: Air pressure is a measure of the weight of the air.
combinedfact: A barometer is used to measure the weight of the air.
formatted_question: A barometer is used to measure what? (A) 295 degrees Kelvin (B) snow, ice, and rock (C) visibility (D) rainfall (E) safe operation (F) rain weather (G) climate (H) weight of air