Did you know that many species are able to glide through the air using loose flaps of skin or other adaptations? This is called passive flight because the animal does not need to use its own energy to stay in the air. Discover these and other intriguing facts in Flight.
语言 英语 ● 格式 PDF ● 网页 24 ● ISBN 9781489636744 ● 文件大小 3.8 MB ● 年龄 17-11 年份 ● 出版者 Weigl Publishers Inc. ● 发布时间 2015 ● 下载 24 个月 ● 货币 EUR ● ID 7211719 ● 复制保护 Adobe DRM
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