Work activities that principle have

Setting good examples, keeping everything in order, making sure every thing stays in line, and provide work for the teachers to teach the students

Idon’t see any choices but i think it’s because it’s the work for that class and so the teacher doesn’t get confused

The statement is correct because if there is a bunch of noise around you and you are focusing on the noise you will not comprehend your questions and lessons nor will you be able to get the proportion information you need and you will likely spend many more hours on work than normal than if you could ignore the sound