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Figure 1) http://nsidc.org/seaice/characteristics/brine_salinity.html

Figure 2) http://en.wikipedia.org/wiki/File:Nilas_Sea_Ice1.jpg

Figure 3) http://www.telegraph.co.uk/earth/copenhagen-climate-change-confe/6716309/Copenhagen-climate-summit-what-is-global-warming.html

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