"carlsbad caverns national park is located in the chihuahuan desert in which state — new mexico or iowa? "

Using the chart below for reference, how would you describe the relationship between the amount of education you receive and the amount of money you make?

Many of the mauryan empire’s huge pillars originally were transported from quarries in india. a. central b. eastern c. southern d. western

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