What layer of the atmosphere has breathable air? i couldnt find science on the pick a subject box.

What is the formal role of congress on amending the constitution

The array of significant individuals who serve as sources of social support is called the social

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.