Which of the following best summarizes the challenges archaeologists face in reconstructing the early migration patterns of humans out of Africa?
A. Archaeologists lack the evidence to trace with precision the routes and timing of migrations out of Africa.
B. Artifacts left by early humans are particularly difficult to date.
C. Large-scale volcanic eruptions taking place approximately 20,000 years ago destroyed much of the evidence of human migration out of Africa.
D. The geography of the globe was very different during the time of early human migration, and it is difficult for archaeologists to reconstruct the routes early humans took.
Answer: A
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