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10.3 Are These Index Fossils?

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  • 10.3 Are These Index Fossils?<p><span style="font-size: 16px;">A good index fossil is</span></p> <ul> <li><span style="line-height: 1.4; font-size: 16px;">short-lived</span></li> <li><span style="line-height: 1.4; font-size: 16px;">wide spread</span></li> </ul> <p><span style="line-height: 1.4; font-size: 16px;">Which of the following items below are good index fossils? Why did you choose these?</span></p> <ul> <li><span style="font-size: 16px;">CD Player</span></li> <li><span style="font-size: 16px;">Rubix cube</span></li> <li><span style="font-size: 16px;">Starbucks cup</span></li> <li><span style="font-size: 16px;">dead iPhone5s</span></li> <li><span style="font-size: 16px;">shag rug</span></li> <li><span style="font-size: 16px;">flip flops</span></li> </ul>