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The Nitrogen Cycle

16 minutes

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Nitrogen is important to all living things. Explores how plants and animals get it and differentiates between the essential "fixed" and unuseable "free" nitrogen. Explains how nature plays a role in combining nitrogen with other elements to produce "fixed" nitrogen. Presents the nitrogen cycle and mentions causes and effects of nitrogen pollution. Ends with a quiz.

Media Details

Runtime: 16 minutes

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Viewer Comments

  • Tiny default profile photo
    JOHN K. (Bloomfield Hills, MI)
    March 12th, 2015 at 02:23 PM

    The streaming version would be nice and more convenience.