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

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%).

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