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Nitrogen Home : Science : The Earth : Cycles : Nitrogen Nitrogen Listings Animation of Nitrogen Cycle [ Teens/Mature Teens ] - Presents an active diagram of this process, together with a description of each stage and component. Nitrogen Cycle [ Teens ] - A diagram and overview. Nitrogen Cycle [ Kids/Teens/Mature Teens ] - Diagram, facts, nitrogen fixation methods, and what fixes nitrogen. Nutrient Overload: Unbalancing the Global Nitrogen Cycle [ Teens/Mature Teens ] - Shows how nutrient pollution through man can lead to algae blooms that unbalance the cycle. The Nitrogen Cycle [ Teens/Mature Teens ] - An explanation of the different forms of nitrogen on earth, nitrogen fixation, decay, and nitrification. The Nitrogen Cycle [ Teens ] - Diagram and explanation of the cycle.

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