Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 3, The Biosphere - Assessment - 3.4 Cycles of Matter - Understand Key Concepts - Page 91: 21



Work Step by Step

Option a. is incorrect. Water cycles move through the atmosphere in the form of water vapor. Option b. is incorrect. Carbon dioxide is the form in which carbon cycles move through the atmosphere. Option c. is incorrect. Nitrogen cycles move through the atmosphere as nitrogen gas. Option d. is correct. Phosphorus does not cycle at all through the atmosphere.
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