Biology, 26.09.2019 22:30 kpopqueen0

The four essential elements for life are

a.
carbon, hydrogen, oxygen and nitrogen
b.
carbon, hydrogen, oxygen and sulfur
c.
carbon, nitrogen, oxygen and sulfur
d.
iron, nitrogen, oxygen and magnesium

Answers: 2

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The four essential elements for life are

a.
carbon, hydrogen, oxygen and nitrogen...