Assertion: blue whale | /r/HasProperty | submerged
Facets:
value: for 10 to 20 minutes
type: TEMPORAL
value: for periods
type: TEMPORAL
Source sentences:
text: They are known to stay submerged for periods up to 20 minutes when feeding and dive up to a depth of 500 meters.
text: Since, like all mammals, the Blue Whale breathes air, it can only stay submerged for up to about 20 minutes.
text: The Blue Whale typically dives less than 330 feet when feeding and can only stay submerged for 10 to 20 minutes, but is capable of diving as deep as 1,640 feet.