Young eco-conscious learners will love reading about carbon footprints. Energy comes from many different sources, but some of them are quickly depleting. Readers explore the different ways to replace fossil fuels, such as solar energy and hydropower. They even discover small steps they can take to make themselves more energy efficient, such as walking or riding a bike to school.
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语言 英语 ● 格式 PDF ● 网页 48 ● ISBN 9781433949814 ● 出版者 Gareth Stevens Publishing LLLP ● 发布时间 2011 ● 下载 3 时 ● 货币 EUR ● ID 8665537 ● 复制保护 Adobe DRM
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