The wet-plate collodion photographic process was introduced by

Who is recognized as the first jazz musician?

a. Buddy Bolden b. Jelly Roll Morton c. Scott Joplin d. Louis Armstrong

How does the weathercaster appear to be standing in front of a map during a blue chroma key?

A) by rear-projecting the map B) by front-projecting the map C) by having all blue background areas replaced by the map D) by having the weathercaster cut into the background map E) by having the weathercaster superimposed over the map