Assertion: otter's layer | /r/CapableOf | provide insulation
Facets:
value: against cold air temperatures
type: TRANSITIVE-OBJECT
value: against frigid water
type: TRANSITIVE-OBJECT
Source sentences:
text: The otter’s thick undercoats and layer of fat provide insulation against frigid water and cold air temperatures while their thick guard hairs (reported by a Canadian scientist to number 40,000 per square inch) form a waterproof outer layer to protect the otter's undercoat.