Assertion: gas's temperature | /r/CapableOf | approach −70 °f −57 °c
Facets:
value: at 40,000 feet
type: LOCATION
Source sentences:
text: The average temperature decrease is 3.6 °F (2.0 °C) per 1,000-foot (300-metre) increase in altitude, and at 40,000 feet (12 km), the temperature can approach −70 °F (−57 °C).