Assertion: ore's iron | /r/HasProperty | extracted
Facets:
value: from iron ore
type: OTHER
value: by removing the oxygen
type: MANNER
value: from iron–nickel alloys
type: OTHER
Source sentences:
text: Iron was extracted from iron–nickel alloys, which comprise about 6% of all meteorites that fall on the Earth.
text: Iron is extracted from iron ore by removing the oxygen through its combination with a preferred chemical partner such as carbon which is then lost to the atmosphere as carbon dioxide.