Eco-conscious readers will be thrilled to know that one of the most powerful, renewable sources of energy has nothing to do with burning fuel or releasing of pollutants, and has a very minimal production of green house gases. Students will see how we’ve harnessed the power of nature and water to create hydropower.
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语言 英语 ● 格式 PDF ● 网页 24 ● ISBN 9781448802043 ● 出版者 The Rosen Publishing Group, Inc ● 发布时间 2010 ● 下载 3 时 ● 货币 EUR ● ID 8667080 ● 复制保护 Adobe DRM
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