Assertion: xenon | /r/HasProperty | a trace gas
Facets:
value: in the earth's atmosphere
type: LOCATION
Source sentences:
text: Xenon is a trace gas in Earth's atmosphere, occurring at 87±1 nL/L (parts per billion), or approximately 1 part per 11.5 million.
text: Xenon is a trace element in the Earth's atmosphere.
text: Xenon is a trace gas found in the Earth's atmosphere to the extent of about one part in 20 million,
text: Xenon is a trace gas in Earth’s atmosphere.
text: Xenon is a trace gas in Earth's atmosphere, occurring in one part in twenty million.
text: Xenon is a trace element in the Earth's atmosphere.
text: Xenon is a trace element in the Earth's atmosphere.
text: Xenon is a trace element in the Earth's atmosphere.