1. What Happened To...
... extinct. Of the thousands of archeological sites in North America, not one has contained the remains of any extinct animal that proves to be younger than 10,000 years old (Grayson, 1993). It was once assumed by many people that all thirty-five genera became extinct in the ... or even millions of years ago. The climatic change brought about the end of the Ice Age. It resulted in a number of physical environmental changes. The temperature of the earth grew increasingly warm, resulting in a greater difference in seasonal temperatures. The glaciers melted away, causing sea levels to rise and...
- Word Count: 3100
- Approx Pages: 12