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Minerals: A Resource Our World Depends On (Heinemann Infosearch, Managing Our Resources)
Minerals A Resource Our World Depends On - Heinemann Infosearch, Managing Our Resources Author:Ian Graham What are minerals? What is the hardest mineral? Why do our bodies need minerals? Read this book to find the answers to these questions and more. Each book in the Managing Our Resources series examines a valuable natural resource, explaining where the resou