Which of the Following Is True of Heavy Metals

question 58

Multiple Choice

Which of the following is true of heavy metals? 

• A) They have a high number of double bonds. 
• B) They have a relatively high atomic weight. 
• C) They all are considered contaminant minerals. 
• D) They are introduced to food during food processing, when exposed repeatedly to metal food surfaces. 
• E) A few but not all are toxic.

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