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Forensic scientists can use which of the following to test for the presence of drugs in a human?
Blood
Hair
Saliva
All of the above

Respuesta :

Answer:

all of the above

Explanation:

i want to be a homicide detective so i know this stuff

camilacaicedoreina

Answer:

All of the above

Explanation:

The analytical approach in forensic chemical analysis of an unknown substance is to narrow down the possibilities until a drug is identified. After visual examination, presumptive or screening tests are conducted.