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It definitely does have an atmospheric component. When organic material is decomposed some of the microorganisms involved in doing this, called denitrifying bacteria, extract the nitrogen from the organic material and put it back in the atmosphere. Other bacteria take nitrogen from the atmosphere and convert it into substances that plants can use. Thus the atmosphere serves as an enormous pool of nitrogen for life. Please see the wikipedia article about the nitrogen cycle for more information.

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Q: Does the nitrogen cycle has no atmospheric component?
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Related questions

Does the nitrogen cycle have no atmospheric component?

phosphorus cycle is the only one with no atmospheric component.

Why is it difficult to integrate nitrogen gas from the atmosphere into the nitrogen cycle of the biosphere?

Few organisms can directly utilize atmospheric nitrogen gas.

In the nitrogen cycle are there any abiotic conversions of atmospheric nitrogen to biologically active nitrogen such as nitrate or ammonia?

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Actually nitrogen exist in the atmosphere in dinitrogen (N2) form and cannot be utilized directly. As such bacteria help in converting atmospheric nitrogen into ammonia which then can be used by the plants.

What fixes atmospheric Nitrogen?

oxygen fixes atmospheric nitrogen

What is the need of fixing atmospheric nitrogen find out the various ways by which atmospheric nitrogen is fixed?

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What is nitrogen a component?

Nitrogen is a component of a protein.

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Nitrogen is a component of a protein.

Why is bacteria critical to nitrogen cycle?

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