Exploring the ocean (revised edition)
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Provides a basic description of the oceans, how they are explored, and what resources can be found in them. Observes how salt and magnesium are extracted from sea water and identifies some of the many other minerals available. Includes scenes of echo-sounding, core sampling of the ocean floor, and several deep sea vehicles.
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- 16mm Filmography (legacy record) — title, year, creator, length, format, color, sound, genre, description, catalog record
Original permalink · Record added 2024-04-20 16:34:47