Physics, 18.05.2021 03:20, BreBreDoeCCx

1. What are the three eras of the Phanerozoic Eon? Cenozoic, Mesozoic, Paleozoic v
2. During which Epoch did humans first appear?
Holocene
3. How many million years ago did humans first appear?
1.8 million years ago
4. What are the three periods of the Mesozoic Era?
Cretaceous, Jurassic, Triassic
5. When did dinosaurs first appear?
Triassic period
6. In what period did birds first appear?
Jurassic
7. During what period did the dome-like uplift of the Adirondack region begin?
Cretaceous
Topic: Absolute Dating

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1. What are the three eras of the Phanerozoic Eon? Cenozoic, Mesozoic, Paleozoic v
2. During...