Social hierarchy refers to the social classes found in society, such as lower class, middle class, and higher class. Social hierarchies are still used, but were of extreme importance in the medieval age
Mayonnaise is said to be the invention of the French chef of the Duke de Richelieu in <span>1756</span>
Answer: Because the way the hydrogen bonds causes molecules to push farther apart, which lowers the density.
They were forced to move and if no they were killed
Rwanda; it was called the Rwandan Genocide
