The fact that if the price of milk, butter, or cab rides increases, people might switch to soy milk, margarine, or the bus, is an example of what factor that shifts demand?
a. income
b. consumer tastes
c. prices of related goods
d. consumer expectations

The map shows information about river valley civilizations. which feature of this map best the reader determine the distance between two places?

Those who resisted the mongol invaders were attacked and their towns burned; those who cooperated with them also were attacked and had their towns burned. were treated fairly. were taken into the tribes and treated as mongols. were sent away to find new homes.

Which statement is true of both presidential and parliamentary systems of government?