What best describes what happened immediately after the Soviet Union ended their occupation of Afghanistan?

Which type of learning occurs when you observe how other people act?

Who is responsible for maintaining a balanced state budget

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling