Assertion: blue whale's blubber | /r/CapableOf | help with buoyancy
Facets:
Source sentences:
text: This blubber can help with buoyancy (which is helpful for a 100-ton whale), protection to some extent as predators would have a hard time getting through a thick layer of fat, and energy for fasting when migrating to the equator; the primary usage for blubber is insulation from the harsh climate.