The Sulfur Cycle Is Important for Many Reasons,including Ecological Processes

Multiple Choice

The sulfur cycle is important for many reasons,including ecological processes.Sulfate is critical to the decomposition process.Why else is the sulfur cycle so critical to life on Earth?

A) There are no other reasons
B) Because sulfate is an essential component of several amino acids
C) Because sulfur is always limiting to primary productivity
D) Sulfur gases are essential to global atmosphere