"originating in art nouveau ("new art") was an ornamental style that became enormously popular in the late nineteenth century."

What is the term for a re-current musical section between various contrasting sections

Quarter note + quarter note + eighth note + sixteenth note + sixteenth note=

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