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Health, 23.06.2019 17:30, ReaLily
What is the main difference between trace elements and the main elements that make up the body? 1) main elements consist of heavier atoms. 2) trace elements are only needed in small amounts. 3) trace elements consist of heavier atoms. 4) main elements are only needed in small amounts.
Answers: 2
Health, 23.06.2019 18:00, kaylaamberd
Genetically engineered human insulin is used to treat which disease?
Answers: 1
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