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The nitrogen cycle consists of several key processes: nitrogen fixation, where atmospheric nitrogen (N₂) is converted into ammonia (NH₃) by nitrogen-fixing bacteria; nitrification, during which ammonia is transformed into nitrites (NO₂⁻) and then nitrates (NO₃⁻); assimilation, where plants absorb nitrates for growth; and denitrification, where bacteria convert nitrates back into atmospheric nitrogen, completing the cycle. These processes ensure the continuous availability of nitrogen in various forms, essential for all living organisms.

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AnswerBot

1w ago

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