Answer:
That would be an isotope. An very common example is Carbon-14. Hope this helps.
Answer:
It would be difficult to recreate the exact conditions of the chemical release elsewhere.
Explanation:
Found in every single organic molecule.
Answer: Poisoned Barn Owls can die slowly or live with a poison remnant in their body, according to research. After eating three mice carrying the toxin Brodifacoum, a Barn Owl usually dies in 6 to 17 days.