World At Your Feet
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Shows how plants, insects, animals and man depend on the soil and contribute to its productivity. Describes different types of soil, the effects of wind and water on soil and the importance of bacteria and insects to the soil.
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- 16mm Filmography (legacy record) — title, year, creator, format, sound, description, catalog record
Original permalink · Record added 2023-02-27 07:11:45