Cheekshs Cheekshs

12-04-2016
Biology

contestada

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

Respuesta :

Аноним Аноним

12-04-2016

The answer is a
Hope this helped

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Аноним Аноним

12-04-2016

A. carbon, hydrogen, oxygen and nitrogen
These four elements make up almost 96% of the human body.

Hope this helps!

Answer Link

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