Environmental Science for AP* (2nd Edition)

Published by W. H. Freeman
ISBN 10: 1464108684
ISBN 13: 978-1-46410-868-6

Chapter 3 - AP Environmental Science Practice Exam - Section 1: Multiple-Choice Questions - Page 100: 13


E) I and III Only (Potassium and Phosphorus)

Work Step by Step

Out of all of these options (Potassium, Sulfur, and Phosphorus), only the sulfur cycle has a gaseous component. The sulfur cycle has a gaseous component in the form of Hydrogen Sulfide and Sulfur Dioxide. However, the potassium and phosphorus cycles contain no gaseous components. Only answer E) satisfies these conditions.
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