The weakening of political parties is most often traced to (a) the single-member, winner-take-all system incorrect (b) the growth of political action committees (pacs) (c) progressive era reforms (d) voters’ increasing level of education (e) voter apathy

Chris would like to conduct a study on the effectiveness of a new substance-abuse treatment program. he has a sample of participants go through the program and he uses as a comparison group people who did not volunteer for the program but were eligible. chris has used a(n) design for his study.

Which of the following is an example of proximodistal pattern of growth? (a) abbey learning to sit first before learning to stand or crawl (b) alex learning to move his eyes before learning his first words (c) colin learning to stare at moving objects before trying to touch them with his hands (d) polly learning to grab the objects with her whole hands before learning to pick them up with her fingers

Music the height of a wave or the amount of the wave carries is the amplitude. a.air b.nodes c.speed d.energy