What was one reason the Aztec civilization fell to the Europeans

What river valley civilization in the plow

In russia, after the soviet union collapse, influential retained power by acquiring large numbers of , so the ruling class gained power in place of power.

For each of the following examples of data, determine which scale of measurement is used. a) the number of miles joggers run per week. b) the starting salaries of graduates of mba programs c) the months in which a firm's employees choose to take their vacations. d) the final letter grades received by students in a math course.