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How is the nitrogen cycle important to humans?

A. It produces free nitrogen that can remove carbon dioxide from the atmosphere.
B. It converts nitrogen into a form that humans can obtain by eating other organisms.
C. It produces nitrogen compounds that humans can breathe.
D. It converts nitrogen into a form that humans can obtain by absorbing it through their skin.

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Final answer:

The nitrogen cycle is crucial for converting nitrogen into usable forms for humans, supporting crop productivity through fertilizers, and maintaining ecosystem balance.


Explanation:

The nitrogen cycle is important to humans because it allows nitrogen to be converted into forms that are usable by living organisms, including humans. This process, known as nitrogen fixation, involves bacteria converting nitrogen gas into compounds like ammonia and nitrates that can be absorbed by plants and eventually consumed by humans through the food chain.

Humans heavily rely on the nitrogen cycle for increasing crop productivity through the use of nitrogen-rich fertilizers. However, excessive use of fertilizers can lead to environmental issues such as eutrophication in water bodies, highlighting the delicate balance of nitrogen in ecosystems.

Overall, the nitrogen cycle plays a vital role in sustaining life on Earth by ensuring a continuous supply of usable nitrogen for plants, animals, and humans, highlighting its significance in agriculture and ecosystem dynamics.


Learn more about Nitrogen cycle importance to humans here:

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