R Raerae New member Dec 9, 2009 #1 Please Help Me!! 1. Why is it necassary to have an o-zone? 3. Why do we need an atmosphere? 4. What are some other factors necassary for a planet to support life?? please explain?? PLEASE
Please Help Me!! 1. Why is it necassary to have an o-zone? 3. Why do we need an atmosphere? 4. What are some other factors necassary for a planet to support life?? please explain?? PLEASE
