NATS 1540 Chapter Notes - Chapter 1-30: Herbivore, Paleocene, Deccan Traps
Document Summary
The earth was bombarded by comets which are formed of water. This suggest how the earth got so much water. Life began between 3. 5 and 4. 4 years ago. This bacteria, took in h2o, split it, and gave out oxygen. Dinosaurs habited the earth for 150 million years. An extinction event is an event that eliminates all of the life on earth. In a series of random events life was created. If you can"t contemplate how a process occurs, then it is random. Worlds oldest fossils 3. 77 to 4. 28 billion years ago. It is comprised of 2 trillion tons of rocks. Approaches the earth at 40,000 miles per hour, gravity increases its speed to 45,000 miles per hour. It takes 5 seconds to flash through the atmosphere. At 35,000 degrees fahrenheit, hotter than 1 million suns. In a fraction of a second the entire asteroid. Wave one: boulders that were shot up in the sky come back down.
