Safety Film Carrier Carrier No: 22764-1-1 Item Id: 88718 Rack No: 1586 Notes: Description: "The earthworm is one of nature's most industrious and beneficial animals. This film reveals the interesting activities of this secretive little creature, and how it improves soil in several ways. Also shows how to conduct simple 'worm experiments.'" "WorldCat | Conditions x2
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