The countries currently on stage 4 of demographic transition model are.. Argentina, Australia, Canada, China, Brazil, Singapore, South Korea, U.S. , and most of Europe.
The answer is C. Savanna. Good luck!
Based on the information given, it can be deduced that the reliable paleoclimate record was about 800,000 years ago.
Paleoclimatology simply means the study of the climate of the Earth. It's the study of climates where direct measurements were not taken.
It should be noted that the reliable paleoclimate record from the Antarctic and Greenland ice cores provides information back to approximately 800,000 years ago.
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