• Earth History Review before GTS
     Help
  • Fossils that help determine the relative age of rocks around it are called
    index fossil
  • To learn how Earth’s Atmosphere has changed over time, scientists study air bubbles in what?
    ice cores
  • Which rock layer is the oldest?
    B
  • Unlock this slideshow and over 4 million more with Baamboozle+
    Try slideshows
    • Your experience on this site will be improved by allowing cookies.