Answer:
1 is whether a person is lying 2 is your blood pressure
Explanation:
Answer:
Toxic
Explanation:
The body removes toxic waste from your body in order to protect it.
Judging by the hair, you can find it's origin and as long as if you had a group of people to be looking at you can match the color and DNA of each person's hair to the hair you found when you were doing your forensics were at said crime scene. I don't necessarily know the processes that were taught but the <em>investigation</em> wouldn't be too difficult.
