Assertion: adult humpback | /r/CapableOf | surface every 7-15 minutes
Facets:
Source sentences:
text: On average, adult humpbacks surface every 7-15 minutes to breathe but can remain submerged for up to 45 minutes.
text: Answer: On average, adult humpbacks surface every 7-15 minutes to breathe but can remain submerged for up to 45 minutes.