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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
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4 votes
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

User Adam Robinsson
by
6.7k points

2 Answers

6 votes

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

Hope this helps!
User Letha
by
6.9k points
4 votes
The answer is a
Hope this helped

User Yetty
by
7.0k points
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