In colonial America who were the sons of liberty

What are three uses of the yangtze river by the people living among the river

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.

How much time on average do americans currently spend watching tv and videos per day?