It's closeness im pretty sure
Answer: D. Mesopotamia
Explanation: I just took the quiz and got 100%
Answer:
The Ethiopian Highlands is a rugged mass of mountains in Ethiopia, situated in northeast part of Africa. It forms the largest continuous area of its elevation in the continent, with little of its surface falling below 1,500 m (4,900 ft), while the summits reach heights of up to 4,550 m (14,930 ft).
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Social, cultural and economic factors influence fertility, mortality and migration rates. Migration is affected by various factors like age, sex, marital status, education, occupation, employment etc. Age and sex are main demographic factors that affect the migration.
I believe the answer is E. d41 because it goes a11, A12, b21, B22, c31, C32, then it goes lowercase d41 and then the next one is going to upper case D42.
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