Is a form of polyphony consisting of two or more rhythmically interlocking voices. a. hocket b. oratorio c. ostinato d. call-and-response

A. Hocket is a form of polyphony consisting of two or more rhythmically interlocking voices. 

The correct answer is A. Hocket

Commonly there are two voices that interlock each other but don't sing in the same time. They just alternate which means that one voice sings and the other is quite and then the situation switches. It can also include more than two voices, but two is the most common way to do it, especially in traditional songs.

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

Like many students at university, you may be unhappy about the results you attain in exams. you may feel that even with all you are doing there must be something more -- or different-- you could be doing to get better grades. we have all at some time or other heard of that student who only studies a couple of hours for final exams and scores a's every time. we stand in awe of those who seem to breeze through without undue effort and seem to need very little in the way of studying to nail an exam. the reasons for success, in what i think are the vast majority of cases, are less esoteric than many students think: successful students consistently apply a series of productive strategies with view to attaining clearly identified learning and grade goals throughout the academic term.