Lines 1–29: what contrast is developed between herot, home of the danes, and grendel's home? how do the biblical allusions extend this contrast? what do the hall and grendel represent, based on their descriptions here? what conflict is foreshadowed through this contrast?

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