In how many acts is Mozart's Marriage of Figaro?

What feature of Southwestern pictographs is NOT shared by the prehistoric cave paintings found in Europe?

A. They depict animals and human figures. B. They may record a successful hunting expedition. C. They were made by scraping away the brown bacteria on the canyon wall. D. They may have ritual significance.

A(n) ________ is a particular school of vocal or instrumental performance

Fill in the blank(s) with the appropriate word(s).