Assertion: sea urchin's habitat | /r/HasProperty | abyssal zone
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Bottom habitats in the very deepest oceans (below 9000 m) are sometimes referred to as the abyssal zone.
text: Bottom habitats in the very deepest oceans (below 9000 m) are sometimes referred to as the abyssal zone.