Question

after the fourth variation, all the instruments play a short closing section called a “coda.” what describes the music of the coda? it is new music that slows down. it is another variation on the theme.

Explanation:

A coda is a closing section in music. It is often new music that serves to bring the piece to a close, and may involve a slowing - down of the tempo. It is not another variation on the theme.

Answer:

It is new music that slows down.