User talk:178.175.81.128

July 2010
We welcome and appreciate your contributions, but your recent edits to 8th Grade Science/Chapter 2: Inside the Atom had to be undone. Please see What is Wikibooks? to learn more about what contributions are beneficial to Wikibooks. Please take a look at the welcome page to learn more about contributing to this project. If you would like to experiment further, please use the sandbox instead. Thank you. – Adrignola talk 20:09, 15 July 2010 (UTC)