I think it's cyanide.
Arsenic.
arsenic
arsenic
carbon is used in rat poison and is the title of a murder mystery
Arsenic is used in rat poison and is in the title "Arsenic and Old Lace."
Arsenic (and Old Lace).
"Arsenic"
Arsenic is used in rat poison and is in the title "Arsenic and Old Lace."
Historically, arsenic was used on rats. Some insecticides used thallium, a heavy metal.
Arsenic is a common rat poison often found in mystery titles. Arsenic and Old Lace
Arsenic (rat poison) is one because it leaves little trace that the murder victim has not succumbed to a natural death, but there are other. Agatha Christie became an expert on poisons while researching her mystery novels.
No.Poison dart frogs got that name not because the frogs have poison darts - they haven't - but because humans used the poison from the frogs to poison their darts.No poison dart frog shoots it poison. They ooze if from their skin. The type of poison depends on the species of frog.