Citations
http://hdwallpaperhub.net/wallpapers/l/1440x900/110/continental_ice_age_pangea_cartoons_1440x900_109132.jpg
http://pmm.nasa.gov/education/images/usgs-water-cycle-diagram
http://www.artinaid.com/wp-content/uploads/2013/04/lithosphere.jpg
http://discovermagazine.com/~/media/Images/Issues/2014/JanFeb/earth-temps.jpg
http://aroundtheworldin10secs.weebly.com/uploads/4/9/9/9/4999658/7655464.jpg?416
http://maggiesscienceconnection.weebly.com/uploads/5/1/0/5/5105330/998128119.jpg?433
http://www.wbeegood.com/wp-content/uploads/2013/06/greenhouse_effect2.jpg
http://www.upv.es/satelite/trabajos/pracGrupo7/tropos2.jpg
http://biophysics.sbg.ac.at/atmo/o3-scans/pol-strat.jpg
http://www.earthonlinemedia.com/ebooks/tpe_3e/atmosphere/ISS024-E-006136_NASA_EOS.jpg
http://upload.wikimedia.org/wikipedia/commons/c/c4/Aurora_Borealis_22Jan2004.jpg
http://teach.albion.edu/jjn10/files/2010/10/frost-wedging-example3.jpg
http://schools.bcsd.k12.ca.us/fremont/Graphics/Science/Earth%20Changes/weathering_freezing.jpg
https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A627f0ff2ea7168183ce09827394686f498f61b92c5b41729f493abae%2BIMAGE_THUMB_POSTCARD%2BIMAGE_THUMB_POSTCARD.1
http://sagecreek4th.weebly.com/uploads/3/7/5/7/37572589/7890073.jpg
http://aashscience.weebly.com/uploads/1/3/5/7/13577302/136653405_orig.jpg?343
https://farm1.staticflickr.com/163/383836710_eea38ad446_o.jpg
http://marlimillerphoto.com/images/CE-02.jpg
http://www.bridgesprogramming.com/wp-content/uploads/2014/09/landslide.jpg
http://d1jqu7g1y74ds1.cloudfront.net/wp-content/uploads/2008/09/seasonalvariations.jpg
http://www.sciencemuseum.org.uk/climatechanging/climatescienceinfozone/exploringearthsclimate/1point1/~/media/ClimateChanging/FindOutMore/Images/1point1point2point3.ashx
https://mbhs.edu/~jeglick/Images/Information/Weather/Cloud%20Identification.jpg
http://pmm.nasa.gov/education/images/usgs-water-cycle-diagram
http://www.artinaid.com/wp-content/uploads/2013/04/lithosphere.jpg
http://discovermagazine.com/~/media/Images/Issues/2014/JanFeb/earth-temps.jpg
http://aroundtheworldin10secs.weebly.com/uploads/4/9/9/9/4999658/7655464.jpg?416
http://maggiesscienceconnection.weebly.com/uploads/5/1/0/5/5105330/998128119.jpg?433
http://www.wbeegood.com/wp-content/uploads/2013/06/greenhouse_effect2.jpg
http://www.upv.es/satelite/trabajos/pracGrupo7/tropos2.jpg
http://biophysics.sbg.ac.at/atmo/o3-scans/pol-strat.jpg
http://www.earthonlinemedia.com/ebooks/tpe_3e/atmosphere/ISS024-E-006136_NASA_EOS.jpg
http://upload.wikimedia.org/wikipedia/commons/c/c4/Aurora_Borealis_22Jan2004.jpg
http://teach.albion.edu/jjn10/files/2010/10/frost-wedging-example3.jpg
http://schools.bcsd.k12.ca.us/fremont/Graphics/Science/Earth%20Changes/weathering_freezing.jpg
https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A627f0ff2ea7168183ce09827394686f498f61b92c5b41729f493abae%2BIMAGE_THUMB_POSTCARD%2BIMAGE_THUMB_POSTCARD.1
http://sagecreek4th.weebly.com/uploads/3/7/5/7/37572589/7890073.jpg
http://aashscience.weebly.com/uploads/1/3/5/7/13577302/136653405_orig.jpg?343
https://farm1.staticflickr.com/163/383836710_eea38ad446_o.jpg
http://marlimillerphoto.com/images/CE-02.jpg
http://www.bridgesprogramming.com/wp-content/uploads/2014/09/landslide.jpg
http://d1jqu7g1y74ds1.cloudfront.net/wp-content/uploads/2008/09/seasonalvariations.jpg
http://www.sciencemuseum.org.uk/climatechanging/climatescienceinfozone/exploringearthsclimate/1point1/~/media/ClimateChanging/FindOutMore/Images/1point1point2point3.ashx
https://mbhs.edu/~jeglick/Images/Information/Weather/Cloud%20Identification.jpg