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: 20

Answer

a.

Work Step by Step

Biogeochemical cycles that move the nutrients carbon, nitrogen, and phosphorus within the biosphere are essential for life.
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