I want to collect information about high school athletes who use steroids to enhance athletic performance. To get the information, I create a survey containing several questions about steroid use. The survey is administered to high-school athletes across the country. Which source is being used to collect information?

Karl marx spent much of his life attempting to describe and understand how capitalism works. in one particularly vivid passage, he described in this way the turbulence he saw as inherent in capitalism: “all that is solid melts into air, all that is holy is profaned, and man is at last compelled to face with sober senses his real condition of life and his relations with his kind.” what sort of relationships did he think his readers had with other people? a. relationships based on social bonds and solidarity b. cultural relationships c. economic relationships d. relationships of community and religion

This term refers to the number of people per unit area (usually a kilometer or a mile). this could refer to the number of people per square mile in a city, a county, a province, a state, or a nation.

What role did radio free europe play in western countries' cold warstrategy?