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Environmental sciences
2
GE1-350
Bering Sea
1
Beringia
1
Environmental pollution
1
Environmental protection
1
Environmental technology. Sanitary engineering
1
Physics
1
Q
1
QC1-999
1
Science
1
TD1-1066
1
TD169-171.8
1
TD172-193.5
1
atmospheric CO2
1
biomarker
1
deglaciation
1
permafrost decomposition
1
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