question: What can measure the force of air against a unit of area?
choices.text: it increases weater friction motorcycles vertebrates speedometer barometer wristwatch
choices.label: A B C D E F G H
fact2: Air pressure is the force of air against a unit of area.
combinedfact: A barometer measures the force of air against a unit of area
formatted_question: What can measure the force of air against a unit of area? (A) it increases (B) weater (C) friction (D) motorcycles (E) vertebrates (F) speedometer (G) barometer (H) wristwatch