19.4. References http://www.ck12.org
19.4 References
- Tim Fields. http://www.flickr.com/photos/24327829@N04/6737005997/. CC BY 2.0
- Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0
- Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0
- Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0
- Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0
- Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0
- Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0
- User:Vargklo/Wikipedia, modified by CK-12 Foundation. http://commons.wikimedia.org/wiki/File:Wave_
motion-i18n.svg. Public Domain - Top: U.S. Geological Survey; Bottom: Flickr: Axion23. Top: http://geomaps.wr.usgs.gov/parks/sea/gwave.
html; Bottom: http://www.flickr.com/photos/gfreeman23/5137640341/. Top: Public Domain; Bottom: CC
BY 2.0 - David Rydevik. http://commons.wikimedia.org/wiki/File:2004-tsunami.jpg. Public Domain
- Christopher Auyeung. CK-12 Foundation.
- Christopher Auyeung. CK-12 Foundation.
- Christopher Auyeung. CK-12 Foundation.
- Kyle Taylor. http://www.flickr.com/photos/kyletaylor/394160033/. CC BY 2.0
- Flickr:daveynin. http://www.flickr.com/photos/daveynin/7130041653/. CC BY 2.0
- Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0
- Iain Watson. http://www.flickr.com/photos/dagoaty/4657318099/. CC BY 2.0
- Student: Flickr:MaxTorrt; Radio: Flickr:Kansir. Student: http://www.flickr.com/photos/16953895@N05/8
299424201/; Radio: http://www.flickr.com/photos/kansirnet/231639326/. CC BY 2.0 - Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0
- Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0
- Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0