Helix, for a man who looks to science for information you are ignoring some theoretical science with your questions. Where did the water for the flood come from?
Well, the Bible states it rained for 40 days, and that water came from below. Now, how could mastodones have lived in the artic without vegetation? Science theorizes that at one time our planet was enclosed in a vapor canopy. Where is that vapor canopy today?
You have asked the same question about fossils on the age of the earth thread. It is on the age of the earth thread you can find your answers.
Science is a fascinating subject, especially when scientists follow the data, not theories based on equations that hold true only when certain parameters are defined as constants.
The Bible does not contradict real science and real science does not contradict the Bible.