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.