Assertion: atmospheric pressure | /r/HasProperty | low
Facets:
value: at a height of 5,000 feet
type: OTHER
value: unusually
type: DEGREE
Source sentences:
text: Inspired by Torricelli, Otto von Guericke on 5 December 1660 found that air pressure was unusually low and predicted a storm, which occurred the next day.
text: Even at a height of 5,000 feet (1,500 meters), the atmospheric pressure is low enough to produce mountain (altitude) sickness and other severe physical problems in some people.