CARBON-OXYGEN CYCLE
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✎ Suggest a correctionEnergy from sunlight—the green plant—carbon compounds—food, fuel, decay—the balanced aquarium.
Complete catalog record
Dewey number: 581
Audience level: el-jh-sh-c Guide
Format/cost: 16-sl-$24
Distributors / rental: Not shown in source
Audience level: el-jh-sh-c Guide
Format/cost: 16-sl-$24
Distributors / rental: Not shown in source
Sources
- Educational Film Guide 1946 — title, year, creator, length, format, description, catalog record
Record added 2026-07-02 14:42:44 · Suggest a correction