janflyLucait janflyLucait

22-10-2016
Biology

contestada

the chemical elements calcium and iron are vitamins. true false

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Sezxoxo1 Sezxoxo1

22-10-2016

Calcium and iron are not vitamins false

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xmaddiex1 xmaddiex1

22-10-2016

Calcium and iron are not vitamins iron is metal hope it helped

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