S Shelby New member Apr 19, 2010 #1 Compare the earth's atmosphere today to the atmosphere in the past. What events were occurring that are still a factor and what events were unique to that earlier time? Could we survive as humans in the early Earth's atmosphere?
Compare the earth's atmosphere today to the atmosphere in the past. What events were occurring that are still a factor and what events were unique to that earlier time? Could we survive as humans in the early Earth's atmosphere?
