According to the Diagram Below,the Process by Which Nitrogen Moves

Multiple Choice

According to the diagram below,the process by which nitrogen moves from the land to the atmosphere primarily after microbes or fossil fuel combustion converts various forms of nitrogen back to N₂,as at the yellow asterisk (*) ,is known as

A) cyclolysis.
B) denitrification.
C) eutrophication.
D) photodissociation.