Keywords: Algae-oxygen-bubbles.jpg A solid mass of floating algae The bubbles are from oxygen which has been synthesised by the algae JIM CONRAD'S NATURALIST NEWSLETTER Written on the road and issued from the woods edge near Natchez Mississippi USA http //www backyardnature net/n/08/080721 htm http //www backyardnature net/n/08/080721ag jpg 2008-07-21 Jim Conrad Jim Conrad See http //www backyardnature net/j/copyrite htm Unidentified Chlorophyta Land Between The Lakes National Recreation Area Bubble textures |