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To model the nitrogen cycle, you can represent it through a series of interconnected processes: nitrogen fixation, where atmospheric nitrogen (N₂) is converted into ammonia (NH₃) by bacteria; nitrification, where ammonia is oxidized to nitrites (NO₂⁻) and then to nitrates (NO₃⁻); assimilation, where plants absorb nitrates to produce organic nitrogen compounds; and denitrification, where bacteria convert nitrates back to nitrogen gas, completing the cycle. This model can be illustrated using flow diagrams to show the movement of nitrogen through different environmental compartments, including the atmosphere, soil, water, and living organisms. Key factors such as human activities, like fertilization and fossil fuel combustion, can also be incorporated to demonstrate their impact on the cycle.

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3w ago

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