Look at the map of physical features of North American in your book. Suppose you were traveling west from the Mississippi River to the Pacific Coast. In terms of elevation, describe the land on your route westward.

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.