The creation story is divided into two parts, roughly comparable to the first two chapters of the Book of Genesis (there are no chapter divisions in the original Hebrew text, see Chapters and verses of the Bible). The first part tells how God created the heavens and the earth. This story takes up about 1/5 of the book and it is called "the Big Bang". The second part tells of the fall of man and the expulsion from paradise. This story covers the remaining 4/5 of the book and is called "the Great Flood". There are many scholarly debates about the number of stories that can be found in the Book of Genesis. Some scholars claim that there are only two real stories in the book: the creation story and the flood story. Other scholars believe that there are more than two stories in the book. For example, one could argue that the stories of Adam and Eve, Noah's ark, and the Tower of Babel all involve alternate versions of the same historical event - the fall of man. Still others have suggested that Israel may have combined various ancient myths when writing their sacred books. There is certainly evidence that this has happened in other cultures' religions. For example, there are clear similarities between the creation stories in Genesis 1-3 and those in the Babylonian Creation Epic at Genesis 2:4-9.