Chopin's Mazurka in B-flat Minor, Op. 24, No. 4 is based on a heroic folk dance from . With its meter and accents on the second or third beat, the dance provided a platform for Chopin's artistry. The melody is wide-ranging and often , and Chopin makes use of modal harmonies, while the performer employs for expressive purposes.

Acurator decides to display an eighteenth-century painting in a windowless room with controlled temperature and humidity. pick the answer that best describes the reasons for her choice: (1 point) 1)the curator wants to make sure that the temperature and humidity are comfortable for visitors. 2)keeping the temperature and humidity at a set level will save money. 3)the ultraviolet rays will damage the painting by fading and flaking the paint. 4)ultraviolet rays will fade the paint pigment and high temperature and humidity will damage the paint.