The Nitrogen cycle
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The film demonstrates the route followed by nitrogen in its circulation between the atmosphere and compounds making up the protoplasm of living organisms.
Credits
- Produced by
- Frank Wells
Sources
- 16mm Filmography (legacy record) — title, description, catalog record
- Wikidata · Q123372338 ↗ — year, country, credits
Original permalink · Record added 2026-01-23 04:17:09