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MOUNTAINS
USSR
3
ARCTIC OCEAN ISLANDS
2
GLACIERS
2
ICE
2
PERMAFROST
2
SOILS
2
STRUCTURAL GEOLOGY
2
TRANSLATIONS
2
(*ARCTIC OCEAN
1
(*ARCTIC REGIONS
1
(*OCEAN BOTTOM TOPOGRAPHY
1
*ARCTIC REGIONS
1
*FROZEN SOILS
1
*GEOGRAPHY
1
AGRICULTURE
1
ALLUVIAL PLAINS
1
ANOMALIES
1
ARCTIC OCEAN
1
ARCTIC OCEAN)
1
ATLANTIC OCEAN
1
BUOYANCY
1
CIRCLES
1
CIRCULATION
1
CLIMATE
1
CRACKS
1
DEFORMATION
1
DESERTS
1
DETERMINANTS(MATHEMATICS)
1
DYNAMICS
1
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