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*ARCTIC REGIONS
ALASKA
ARCTIC OCEAN
*SEA ICE
3
CANADA
3
GREENLAND
3
Ice and Permafrost
3
Snow
3
BERING SEA
2
CHUKCHI SEA
2
CONGRESS
2
CONTINENTAL SHELVES
2
DENMARK
2
GASES
2
GLOBAL
2
Geography
2
MERCHANT VESSELS
2
MINERALS
2
NATIONAL SECURITY
2
NORWAY
2
POLLUTION
2
RISK
2
RUSSIA
2
SEA ICE
2
SHIPPING
2
SHORES
2
TEMPERATURE
2
UNITED STATES
2
WATER
2
*ARCTIC CAPABILITIES
1
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