Four Geological Eras Essay
The history of the Earth is categorized into four different geological time eras beginning with, the Precambrian Time (4. 6 billion-544 million years ago), the Paleozoic Era (544-248 million years ago), the Mesozoic Era (248-65 million years ago), and the Cenozoic Era (65 million years ago to the present). Eras are broken down further into … Read more
