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Chemistry, 15.12.2020 21:30 fiorentinologan4

A limited number of the many known elements comprise the largest portion of living matter. Group Elements A Calcium, Phosphorus, Oxygen, Sulfur B Cobalt, Hydrogen, Oxygen, Nitrogen C с Helium, Oxygen, Sulfur, Carbon Hydrogen, Oxygen, Nitrogen, Carbon 1 1 Which group of elements above comprises the largest portion of living matter? A Group A B Group B C Group C D Group D

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