The difference between leavened and unleavened bread is found in the word itself - leaven. Leaven is what is placed in bread dough to make the bread rise. It is placed in the dough and spreads throughout the entire lump.
The census of those on the ark included Noah, Shem, Ham, and Japheth, Noah’s wife, and the three wives of his sons (Genesis 7:13). With these four men and four women, the earth was repopulated after the flood.
The birthright was the natural privilege of the firstborn son. Receiving the birthright, the firstborn would become the head of the family, and would have charge of the family, including the family property.
Critics of the historical accuracy of the Bible often find what they believe are contradictions among the writers of the gospel accounts because there are differences. Remember however, that a difference is not necessarily...