Please help me figure this out using the letters

Who is responsible for making sure that the sound design plan in us u who is responsible for making sure that the soundesign plan in a theatrical production is feasible?

What caused many of the moai at easter island to be destroyed?

Which of the following statements is not true? comic operas in the classical period treated middle-class subjects, had folklike tunes, and sometimes even ridiculed the aristocracy. townspeople organized public concerts where, for the price of admission, they could hear the latest symphonies and concertos. joseph haydn's contract of employment shows that he was considered a skilled servant, like a gardener or gamekeeper. political and economic power shifted during the classical period from the middle class to the aristocracy and the church.