George Washington Carver 在线电子书 图书标签: Washington George Carver
发表于2024-12-26
George Washington Carver 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024
George Washington Carver was born a slave, but he became an important scientist and teacher. He experimented with soil and became famous for his work as a botanist. He used peanuts and other plants to make new products. Before Carver’s research, plants were only used for food and clothing. His creative approach to agriculture taught people that plants could be used to make many products, like rubber, ink, fuel, and paper, to name a few.
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George Washington Carver 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024