Electrical discharges and nitrogen-fixing bacteria convert atmospheric nitrogen into nutrients that multicellular organisms can use.

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Electrical discharges, such as lightning, can convert atmospheric nitrogen into reactive compounds that can then combine with other elements to form nutrients. Nitrogen-fixing bacteria can also convert atmospheric nitrogen into forms that multicellular organisms can use, such as ammonia and nitrates.

Electrical Discharges and Nitrogen-Fixing Bacteria Convert Atmospheric Nitrogen into Nutrients