Where do the Anasazi live?

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

The bill of rights includes things such as the right to bear arms and freedom of speech. these are examples of which american value?

What are the four classes of fire according to nfpa?