It is hard to imagine that these creatures as big as trucks could be vulnerable, but the giants of the sea are endangered. What is their biggest threat? What is being done to save them? Readers learn about blue whales and how to help the largest animal on the planet.
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语言 英语 ● 格式 PDF ● 网页 48 ● ISBN 9780766068919 ● 出版者 Enslow Publishing, LLC ● 发布时间 2015 ● 下载 3 时 ● 货币 EUR ● ID 6436229 ● 复制保护 Adobe DRM
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