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One Way to Tell the Difference Between a Rock and a Fossil Is to Lick It | Latest Science News and Articles | Discovery
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27,200+ Fossil Rock Stock Photos, Pictures & Royalty-Free Images - iStock | Fossil rock layers, Dinosaur fossil rock
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Amazon.com: NATIONAL GEOGRAPHIC Rock & Fossil Collection - Rock Collection for Kids, 20 Rocks and Fossils with Shark Teeth, Agate, Rose Quartz, Jasper, Coral, & More, Great STEM Science Kit for Boys
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National Geographic 200 Piece Rock and Fossil Kit - Includes Prehistoric Fossils, Crystals, and Gemstones - Walmart.com
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