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Geography 2 Online
OpenStudy (anonymous):

The Tapeats Sandstone and Bright Angel Shale contain fossils of trilobites, which were marine organisms similar to modern-day horseshoe crabs. The Muav and Redwall limestones contain a boneless fish fossil. The Supai Group and Hermit Shale contain a boned fish. The Cocino Sandstone and layers above contain an amphibian fossil. Which correctly orders these organisms, from oldest to youngest? http://static.k12.com/calms_media/media/1020500_1021000/1020876/4/9b58164be16dd3cb0ddee47f2bc03a737a6cb53a/MS2_ERT_03_09_UAS.jpg A. trilobite, amphibian, boned fish, boneless fish B. trilobite, boneless fish, boned fish, amphibian C. boned fish, trilobite

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