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.Title: What Are Fossils?Author: Hyde, NataliePublisher: Crabtree Pub CoPublication Date: 2012/04/30Number of Pages: 32Binding Type: LIBRARYLibrary of Congress: 2012000065