They produce oxygen as a waste product, a normally lethal poison to the plant cell.
The first thing to emerge from the ocean is a lethal poison.
The very first is the lethal poison known as Halahala.
A scalpel, a hat pin, a bit of lethal poison.
Had that aerosol been a knockout drug, or a lethal poison?
The materials necessary for suicide by hanging are easily available to the average person, compared with firearms or lethal poison.
"If a lethal poison was in my tea, would you know it?"
Some sort of paralyzing drug, then, rather than a lethal poison.
He supervised preparations of lethal poisons and experiments in mind control.
They hunt wild animals using spears with a lethal poison at the tip.
