The Concentration of a Trace Essential Element in the Body

question 7

Multiple Choice

The concentration of a trace essential element in the body is typically in the range of ________ per gram of body mass.

• A)1   g to 1 mg
• B)1   g to 10 mg
• C)10   g to 10 mg
• D)10   g to 100 mg
• E)100   g to 100 mg

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