the science theory is that the earth was created millions of years ago by an explosion of gases which they call the big bang. charles darwin created the theory that we have evolved over time from miniscule bacteria and to prove it he looked at fossils of animals that are now extinct. however one christian belives that god put fossils in the ground to test the christian faith.
the christian theory is that god created the world in seven days and that he created everything on it. they beleive that humans were created to rule over animals and that everything on earth needs a creator and god is that creator.