Final answer:
According to linguistic experts, the three language groups represented in the waves of migration across Beringia are Na-Dené, Chinook, and Inuit-Yupik-Unangan.
Step-by-step explanation:
The subject of this question is Social Studies and it is suitable for High School level students.
According to linguistic experts, groups of people migrated across Beringia in waves. The three language groups represented in the waves of migration are Na-Dené, Chinook, and Inuit-Yupik-Unangan.
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