• Air
     Help
  • Air is not essential for burning. True or false?
    False
  • Air is essential for living organisms. True or false?
    True
  • What is the percentage of oxygen in the air?
    21%
  • Unlock this slideshow and over 4 million more with Baamboozle+
    Try slideshows
    • Your experience on this site will be improved by allowing cookies.