USE THESE WORDS AND PHRASES TO COMPLETE THE GEOLOGIC TIME SCALE BELOW:
Precambrian, Cenozoic, Paleozoic, Mesozoic, Age of mammals, Age of dinosaurs, First bony fish, Humans, First prokaryotes, Pangaea formed, Abundance of carbonate rocks, Most mountain ranges formed, Pangaea split, Appearance of grasses and coral reefs
ERA GEOLOGICAL EVENTS EVOLUTION OF LIFE FORMS
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