Assertion: cigarette butt | /r/MadeOf | up to 4 to 8 mg of nicotine
Facets:
Source sentences:
text: Since a small dog can weigh under 10 pounds, and a cigarette butt can contain up to 4 to 8 mg of nicotine, you can see how if a small dog eats even a couple of cigarette butts it could be fatal.