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Geologic Time Scale Quiz

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1. What is the earliest eon in the geologic time scale?

2. Which era is known as the 'age of reptiles'?

3. In which period did the first fish appear?

4. What marks the boundary between the Cretaceous and Paleogene Periods?

5. Which epoch is characterized by the extensive glaciation of continents?

6. What is the primary method used to date rocks and fossils from the Precambrian time?

7. Which geological period is known for the first appearance of land plants?

8. What significant event occurred at the end of the Permian Period?

9. Which era is characterized by the dominance of mammals and the emergence of humans?

10. Which epoch marks the beginning of the most recent Ice Age?