We the people of the United States in order to form a more perfect union establish justice insure domestic tranquility provide for the common defence promote the general welfare and secure the blessings of liberty to ourselves and our prosperity do ordain and establish this constitution for the United States of America which idea is expressed in this excerpt of the Constitution

What new form of music swept the nation in the 1950s a. chamber music b. hip-hop c. jazz d. rock-and-roll

Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.

According to the aztec history, how did the aztecs know where to build their new city of tenochtitlan? why was this a good location?