Chapter 1: A clear sky -- Chapter 2: An amazing atmosphere -- Chapter 3: Pollution -- Chapter 4: Making changes.
Summary:
Introduces readers to air, while explaining how the resource is used, problems facing the natural resource, and what the future of it looks like. Vivid photographs and easy-to-read text aid comprehension for young readers. Features include a table of contents, an infographic, a timeline, fun facts, Making Connections questions, a glossary, and an index.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.