Why did the sumerians civilization disappear?

Is Miley Cyrus's hair color light brown dark brown medium brown or chocolate brown? Is natasha bedingfield a natural blonde? Why is your state bird a cardinal? Who sang stick on a smile? How do you play i am proud to be an American on the recorder? What is Kevin Jonas' favorite sport? What sample did Nas use on his song get down? How is appearance of the interior of the house of usher related to ushers appearance? Should the Star Spangled Banner remain your national anthem or should you select a more relative song? Is a squirrel a consumer or a herbivore? Where can you find a digby Richards CD? What movie featured Tommy roes sweet pea with a dancing girl? Is Ringo Starr half Jewish? What sound does the piano make? What is a song about losing someone? Who sings the song traveling man? What heavy metal group took the name of Dutch-born members guitarist Eddie and drummer Alex? How did Antonio Vivaldi die? Who wrote the song Dude Looks Like a Lady? Which jazz musician's autobiography is titled good morning blues?