Which of the following works is from Beethoven's middle period?

The two primary elements of jazz are

a. pitch bends and syncopation. b. syncopation and A-A-B-A form. c. swing and improvisation. d. saxophones and walking bass line.

The beginning of the Neolithic era coincided with

a) a shift from nomadic hunting to agricultural activity. b) increased movement of groups across great distances for hunting. c) the production of cave paintings. d) the discovery of new types of stones for tool making.