Allen's Biology and Chemistry: 
Building the Foundations of Science
beaker by Dan Machold 
licensed under CC BY-NC-SA 2.0

"When we try to pick out anything by itself,
we find it is tied to everything else in the universe."
John Muir (1838-1914) naturalist, explorer

Kelly Allen
East Chapel Hill High School
500 Weaver Dairy Road
Chapel Hill, NC 27514
(919)969-2482 ext 27252