A. Because the Egypt and Indus valley are in the desert, living near a river gave access to a food supply, water and better soil for growing crops. There were better resources to build shelter, and the river provided a safe route of transportation to other areas.
<span>The Marginal Rate of Substitution refers to the rate the consumer is willing to trade for another good to maintain the level of satisfaction. It is described by ratio of prices. Maximum satisfaction is achieved when trade offs between two goods are equal. </span>
Answer:
American political culture emphasizes the values of liberty, equality, and democracy. a small group of people that dominates the political process.
