Question
How many eras are in the Geologic Time Scale?
2
1
3
4
Answers
GPT-4o mini
The Geologic Time Scale is divided into several hierarchical categories, with "eras" being one of them. There are **three main eras** in the Geologic Time Scale:
1. Paleozoic Era
2. Mesozoic Era
3. Cenozoic Era
Therefore, the correct answer is **3**.
1. Paleozoic Era
2. Mesozoic Era
3. Cenozoic Era
Therefore, the correct answer is **3**.