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Alona [7]
3 years ago
13

Copper is part of a complex that regulates metabolism of this mineral.

Biology
2 answers:
matrenka [14]3 years ago
7 0
Iron because iron and copper is almost like the same
Zolol [24]3 years ago
4 0
B.) iron is the answer 
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Explanation:

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Hope this helps.

3 0
3 years ago
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vesna_86 [32]

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3 0
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