question: What is used to measure minutes?
choices.text: light barometer stopwatch weater thermometer lamphreys feedback sound
choices.label: A B C D E F G H
fact2: Reaction time was measured with a stopwatch in minutes and seconds.
combinedfact: a stopwatch can measure minutes
formatted_question: What is used to measure minutes? (A) light (B) barometer (C) stopwatch (D) weater (E) thermometer (F) lamphreys (G) feedback (H) sound