Green Machine, The (2 Reel)
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Reveals some of the hidden powers of plants, including photosynthesis, the accuracy of flowering, the use of hormones to regulate growth, the response to gravity and light and the power of growth that produces trees.
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- 16mm Filmography (legacy record) — title, creator, format, sound, genre, description, catalog record
Original permalink · Record added 2023-02-27 18:03:47