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CONTINENT >
11
FIELD INVESTIGATION
GEOGRAPHIC REGION >
11
POLAR
oceans
10
EARTH SCIENCE
8
AMD
7
AMD/AU
7
CEOS
7
FIELD SURVEYS
7
ANTARCTICA >
6
biota
6
ANTARCTICA
5
BIOLOGICAL CLASSIFICATION
5
ICE DEPTH/THICKNESS
5
LABORATORY
5
OCEAN >
5
SOUTHERN OCEAN
5
SEA ICE
4
VISUAL OBSERVATIONS
4
ACE/CRC
3
BIOSPHERE
3
CARBON DIOXIDE
3
CORING DEVICES
3
EARTH SCIENCE >
3
VESTFOLD HILLS
3
WATER DEPTH
3
ALBUMIN
2
ALP
2
ALT
2
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