Science, Maths & Technology
An introduction to geology
...solar system. That meant that there wasn’t much chance for life to get a start. It wasn’t until 4:30 AM that we see the earliest evidence for life on Earth. And it’s not until 5:38 that we actually have any good fossils. And even these are microscopic. Sometime around dawn, life started to produce enough oxygen from photosynthesis that oxygen started to become...