The imaginary wall between the actors and audience is called:

How did brunelleschi solve his problem with the dome of the florence cathedral? a. he created an outer support shell. b. he created many layers of support within the dome. c. he created external supports for the dome. d. all of the above

Which factor push forward the popularity of rock music in america

Which music form has a pattern that appears as a-b-a-c-a or a-b-a-c-a-b-a? a. sonata ob. rondo c. minuet d d. theme and variations e. quartet