Does any MALE wanna talk (plz be male)

For a study comparing leisure activities of physical education students with those of other students, a researcher has randomly selected a ten percent sample of physical education students and one percent sample of non-physical education students for a list of students. what kind of sampling technique is this?

Which organisims can cause diseases a. micro organisims b. multicellular organisnims c. both d. neither

Unlike plato, aristotle emphasized that knowledge is a product of