Jasper johns was influenced by the object art of picasso marcel duchamp jackson pollock mark rothko

In 1907, the retrospective on the work of 19th century post-impressionist georges seurat influenced the development of cubism in a radical way through his painting titled, “sunday afternoon on the island of la grande jatte.” ? ?

Atypical scale usually consists of one of pitches. 1. rhythm 2. octave 3. key 4. series

Which does the author mean by " nature had to kindle all the fires, for man by his own effort was unable to produce a spark