What is the major component of most plant cell walls?  

The greenhouse effect causes an increase in global temperatures. This increase is due primarily to ________.  

Which mode of nutrition characteristic distinguishes animals from other eukaryotes?  

  The Baroque period was the first in which instrumental music was comparable in importance to vocal music.  

  Beethoven served as a bridge between the Classical style and the Romantic era.  

  Which of the following are characteristic of opera seria?  

  A song whose text is a short lyric poem in German with piano accompaniment is called a  

  In which musical style did Copland compose?  

  Which of the following excerpts from the “Hallelujah Chorus” of Handel’s Messiah features imitative polyphony, with the voices building from lowest to highest?   Excerpt 1   Excerpt 2  

  A song that is composed from beginning to end without repetition of whole sections is called