Three-quarters of our Earth is covered by water. This book explains how water travels in a never-ending pattern called the water cycle and how water is used–from bathing to irrigating crops–along with tips for conserving our most important natural resource.
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格式 PDF ● 网页 24 ● ISBN 9781625132031 ● 编辑 Britannica Digital Learning ● 出版者 Britannica Digital Learning ● 发布时间 2014 ● 下载 6 时 ● 货币 EUR ● ID 3323088 ● 复制保护 Adobe DRM
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