Assertion: eon | /r/HasProperty | several geologic eras
Facets:
Source sentences:
text: An eon is composed of several geologic eras, which in turn are composed of geologic periods, which are composed of geologic epochs.
text: An eon is composed of several geologic eras, which in turn are composed of geologic periods, which are composed of geologic epochs.
text: An eon is composed of several geologic eras, which in turn are composed of geologic periods, which are composed of geologic epochs.