11.3. References http://www.ck12.org
13.5 References
- Image copyright Keith McIntyre, 2014. http://wwww.shutterstock.com. Used under license from Shutter-
stock.com - Image copyright ggw1962, 2014. http://wwww.shutterstock.com. Used under license from Shutterstock.com
- Image copyright Vertes Edmond Mihai, 2014. http://www.shutterstock.com. Used under license from
Shutterstock.com - (A) Nino Barbieri; (B) User:Nipik/Wikimedia Commons. (A) http://commons.wikimedia.org/wiki/File:P
ollution_-_Damaged_by_acid_rain.jpg; (B) http://commons.wikimedia.org/wiki/File:Acid_rain_woods1.JPG
. (A) CC BY 2.5; (B) Public Domain - User:Chemicalinterest/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:Zn_reactionwith-
HCl.JPG. Public Domain - User:Ajhalls/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:Large_Sodium_Explosion.jpg
. Public Domain - Paige Powers (Flickr:paigggeyy). http://www.flickr.com/photos/paigggeyy/5533819494/. CC BY 2.0
- Courtesy of Gus Pasquerella/US Navy. http://commons.wikimedia.org/wiki/File:Hindenburg_burning.jpg.
Public Domain