What are some distinctive features of 1950s mambo music? What events caused the decreased popularity of the mambo and Latin music in general?

Vija Celmin's Untitled (Ocean) is an example of

a) a photorealist graphite drawing. b) a chalk preparatory study. c) a pen and ink drawing. d) a paper collage.

What symbolizes eternal life in the Oratory of Galla Placidia?

What will be an ideal response?