Expalin if newly freed slaves were given the same standing in the community as white citizens

List three reasons why people might be fascinated by something as dangerous as a nuclear weapon.

The principal effector function of igm is

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