Assertion: geologist | /r/CapableOf | study earth materials
Facets:
Source sentences:
text: Geologists study Earth materials: People use Earth materials every day.
text: When geologists investigate earth materials, they not only investigate metals and minerals, but also look for oil, natural gas, water and methods to extract these.
text: Geologists study Earth materials: People use Earth materials every day.
text: Geologists study earth materials: People use earth materials every day.