What is the texture of Chopin's Mazurka in Bb, op. 7, no. 1?

Small, square pieces of stone, glass and/or gilded materials; ground to a smooth finish are known as:

a. Pebble Mosaics b. Tesserae Mosaics c. Opus Sectile Mosaics

Which one of these films was actually shot in one continuous take?

A. Birdman B. Russian Ark C. Forrest Gump D. Home By Christmas