Assertion: echidna's teeth | /r/HasProperty | visible
Facets:
Source sentences:
text: An easy way to tell the difference between a crocodile and an alligator, is when a crocodile closes it’s mouth, all teeth are visible – as the upper and lower jaw are the same width.
text: The teeth of a crocodile are visible, even when the crocodile’s mouth is closed, while alligator teeth are invisible until the mouth is open.