_:n6488ab68cb964b1fa62272f6ddccb163xb3
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://unemployed-professor.com/2022/05/09/the-density-of-liquid-iron-6-98-g-cm-3-is-lower-than-that-of-solid-iron-7-874-g/>