Answer :
Answer:
1-a
2- c
3-d
4-b
Explanation:
Toxicology- The study of the effects and treatment of poisons
Lethal Dose- Amount that is about to kill 50% of the population
Effective Dose- Amount that causes some response in 50% of the population.
Threshold Level- The maximum amount that causes no visible or noticeable effects to a dose