When did the appalachian mountains form?

How might hammurabi's code have prevented a single ruler from imposing, or forcing, his or her will on people?

Which best explains why england had the highest standard of living in the world in 1990? a.england started industrializing before the rest of the world b.england had the highest population in the world. c.england hadthe most fertile soil in the world. dengland had more natural resources.

Name one type of data that h-r diagrams do not show.