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Keystone Species that Live in the Mountains (Kid's Guide to Keystone Species in Nature)
Keystone Species that Live in the Mountains - Kid's Guide to Keystone Species in Nature
Author: Bonnie Hinman
Most arches built today contain a single building block at the top that is the most important piece. This special piece can be found in the arches of soaring cathedrals, doorways in temples, and even simple buildings made out of wooden blocks. It is called a keystone, and it holds everything else together. Remove the keystone and the building or...  more »
ISBN-13: 9781680200607
ISBN-10: 1680200607
Publication Date: 7/30/2015
Pages: 48
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Publisher: Mitchell Lane Publishers, Inc.
Book Type: Library Binding
Members Wishing: 0
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