12. Describe the functions of the three main sections of the ear.

Who is the speaker in this excerpt from book 13 of homer’s odyssey, and what inference can you make from the tone?

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

Idont know any of these can anyone me