Assertion: blue whale | /r/Synonym | the sulfur-bottom whale
Facets:
value: because of the yellowish
type: CAUSE
Source sentences:
text: The blue whale has been called the sulfur-bottom whale because of the yellowish underside of some individuals that is reminiscent of the pale yellow colour of that chemical element; this coloration is imparted by certain algae (diatoms) living on the whale’s body.