Assertion: cave's geology | /r/HasProperty | the study of the earth
Facets:
Source sentences:
text: Geology is the study of the Earth, the materials of which it is made, the structure of those materials, and the processes acting upon them.
text: Geology is the study of Earth -- the materials that make it up, the processes that act on those materials, and the history of the planet and its life forms.
text: Geology is the study of the Earth, its processes, its materials, its history.