A Resource Our World Depends onBook - 2005
How much does Earth's air weigh? What is a wind farm? Why do plants need wind? 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 resource is found, how it is extracted and processed, what it is used to make, and how the resource can be used sustainably.
Publisher: Chicago : Heinemann Library, c2005
Branch Call Number: j551.5 GRA
Characteristics: 32 p. : col. ill. ; 24 cm