Answer
C) C, H, O, N.
Work Step by Step
These elements contribute the most to all living organisms. The percentages are: Carbon (18.5%), Hydrogen (9.5%), Oxygen (65%), and Nitrogen (3.3%).
Campbell Biology: Concepts & Connections (9th Edition)
by Taylor, Martha R.; Simon, Eric J.; Dickey, Jean L.; Hogan, Kelly A.; Reece, Jane B.
Published by
Pearson
ISBN 10:
0-13429-601-X
ISBN 13:
978-0-13429-601-2
Chapter 2 - Review - Page 34: 1
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