Documents 4.54 billion years 4.60 billion years First life 3.8 billion-year-old First hominids 6-7 mya Age of....

PowerPoint Presentation 4.54 billion years 4.60 billion years First life 3.8 billion-year-old First hominids 6-7 mya Age of universe: 13.7 bya Mass = 5.97E24 kg; Earth is…