Sometimes accidentally (e.g. when trying to synthesise a chemical and mixing the wrong ones together). People might make a toxic chemical to kill other people with, or the chemical may have other uses (e.g. chlorine is toxic and is used to make many other chemicals).
with poison
poison
for the poison to make poison darts
How can it be poison if millions of people eat it.
She tested poison on her prisoners
Poison + weapon = poisoned weapon
Yes, many people have died from the mixtures to make poison gas with bromine in war.
yes if people put poison in it
If there's poison in it....sure.
The color looks brighter. That comes from the fluid that contains the poison. It makes them look shiner. It tells predators to stay away. They make the poison by eating fire ants. People have them as pet with a different diet and they don't produce the poison. A poison emanating frog looks prettier.
Mix snake and weapons.
Equip arrows and then use poison.