Fossils (Rocks and Minerals)

Jenny Fretland Vanvoorst

出版社：Core Library

出版时间：2014-09

ISBN：9781624033858

词汇量：4150

页数：48

类别：

虚构：非虚构

开本：

阅读年龄：阅读年龄 6-7岁 (50.0%), 9-10岁 (50.0%)

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内容简介

Presents general information about fossils, explaining how they are formed, how they are extracted from the sites where they are discovered, and how scientists use them to gain an understanding of Earth's past.

作者简介

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