Which of the following statements about the sulfur cycle is true?
A) Bacteria play little or no role in the sulfur cycle.
B) Most of the planet's sulfur is found in the atmosphere.
C) Plants are unable to assimilate sulfate (SO42-)
D) Sea spray, forest fires, and dust storms release sulfates (SO42-) into the air.
E) Sedimentary rocks and erosion do not contribute to the sulfur cycle.

Question

Quizplus · Accepted Answer

Sea spray, forest fires, and dust storms release sulfates (SO42-) into the air. This is one of the ways in which sulfur enters the atmosphere and becomes available for other parts of the sulfur cycle. Bacteria play a major role in the sulfur cycle, breaking down organic matter and releasing sulfur into the environment in various forms. Sulfur is also found in rocks, soil, and water bodies, and can be transformed through processes like weathering and erosion to enter the cycle. Plants do assimilate sulfate (SO42-) as a source of sulfur for essential biological processes.

Which of the Following Statements About the Sulfur Cycle Is