EPOCH PERIOD
1. The geological column is divided into how many geologic times scale?
2. What are the geologic times scale?
3. The 4 Era in this geological column are
4. Under what period is the Miocene?
5. Cretaceous is under of what Era?
6. How many million years is the Cambrian Period?
7. How many million years is the Jurassic Period?
8. What was the event 4,600 million years ago?
9. What is Holocene Epoch?
10. How does the timeline help you better understand the passage?
Answers & Comments
Answer:
1.Geological time has been divided into four eons: Hadean, Archean, Proterozoic, and Phanerozoic, and as shown in Figure 8.3, the first three of these represent almost 90% of Earth's histo
3.The Precambrian, Paleozoic, Mesozoic, and Cenozoic Eras