An important event during the Renaissance was the development of printing from

Da Vinci’s Last Supper remains badly damaged due to

a) Leonardo’s rushed application of paint over dry plaster rather than buon fresco. b) the artist’s incorrect mixing of tempera with oil paint. c) cracking from centuries of earthquakes in the region. d) the use of sfumato for its smoky effect.

When an advertising agency makes a big-budget network TV commercial, it typically solicits two or three music houses to submit ideas for original music. Because only one gets selected for the job, the music houses are initially working on _____ because there is no assurance that they will get paid.

What will be an ideal response?