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.

Question

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.

Quizplus · Accepted Answer

Denitrification is the process by which bacteria in soil and water convert nitrate (NO₃⁻) and nitrite (NO₂⁻) back into nitrogen gas (N₂), which is then released into the atmosphere. This process occurs primarily through microbial activity, but can also occur through the combustion of fossil fuels. Cyclolysis is not a recognized term in the context of nitrogen cycling, eutrophication refers to the process by which excessive nutrients, including nitrogen, enter aquatic ecosystems causing harmful algal blooms and oxygen depletion, and photodissociation refers to the process by which sunlight breaks down molecules like ozone in the atmosphere.

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