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Subject
- Albedo--Measurement1
- Animal migration1
- Archaeology2
- Carbon cycle (Biogeochemistry)1
- Cenozoic Geologic Period1
- Climatic changes1
- Continents2
- Cretaceous Geologic Period1
- Earth sciences2
- Evolution (Biology)1
- Fossil hominids1
- Geodynamics3
- Geological time1
- Geology5
- Geology, Stratigraphic8
- Geomagnetism1
- Geomorphology1
- Geophysics14
- Glacial epoch1
- Hominids1