Assertion: terrestrial planet's atmosphere | /r/HasProperty | 1.6% argon
Facets:
Source sentences:
text: Mars has a very thin atmosphere composed of 95.3% carbon dioxide, 2.7% nitrogen, and 1.6% argon.
text: Mars has a very thin atmosphere composed of 95.3% carbon dioxide, 2.7% nitrogen, and 1.6% argon.