Select the correct answer from each drop-down menu. Advances in medical care and access to nutritious food have made people healthier over the last century. As a result, the global population is growing because theis . Birthrate death rate
increasing decreasing

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