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Author Question: Which mineral is a vital component of hemoglobin? a. fluorine b. zinc c. selenium d. ... (Read 90 times)

corkyiscool3328

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on: Jul 18, 2018
Which mineral is a vital component of hemoglobin?
 a. fluorine
 b. zinc
 c. selenium
  d. iron

Question 2

Iodine is necessary for
 a. muscle contraction.
  b. thyroid function.
 c. bone formation.
 d. glucose use.


Viet Thy

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Reply #1 on: Jul 18, 2018
Answer to Question 1

d

Answer to Question 2

b


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