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onsdag, april 13, 2011
Fresh Water in the Arctic - Changing Planet
Scientists are watching the Arctic Ocean closely and measuring the growing amount of freshwater to see how it could affect the Earth's climate.
Credit: NBC Learn and the National Science Foundation (NSF)
The National Science Foundation, 4201 Wilson Boulevard, Arlington, Virginia 22230, USA Tel: (703) 292-5111, FIRS: (800) 877-8339
TDD: (800) 281-8749
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