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Author Question: Which of the following is not classified as a heavy metal? a. Zinc b. Arsenic c. Mercury d. ... (Read 106 times)

cool

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Which of the following is not classified as a heavy metal?
 
  a. Zinc
  b. Arsenic
  c. Mercury
  d. Thallium

Question 2

A drug recognition expert (DRE) can:
 
  a. Identify street drugs by their appearance.
  b. Help a drug user acknowledge his/her habit and suggest ways to become drug-free.
  c. Determine whether a person has taken one or more d drugs.
  d. Advise the toxicologist as to which drug may be impairing an individual.


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Joy Chen

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