Some snakes are poisonous. ✬

Carbon monoxide is a poisonous substance formed by the incomplete combustion of carbon compounds. ✬

Tom isn't afraid of snakes, even poisonous ones. ✬

They took Tom to the hospital to have his stomach pumped because he ate something poisonous. ✬

The most dangerous thing Tom ever wanted to try to do was to hold a poisonous snake. ✬

Not all species of spiders are poisonous. ✬

Are they poisonous? ✬

Is it poisonous? ✬

Are there any poisonous snakes around here? ✬

These plants are all poisonous. ✬