Answer:
a
Explanation:
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Answer:
They hiked over a land bridge
Explanation:
The prevailing theory proposes that people migrated from Eurasia across Beringia, a land bridge that connected Siberia to present-day Alaska during the Last Glacial Period, and then spread southward throughout the Americas over subsequent generations.
Answer:A. Heat energy moves in waves through the air.
Explanation:Hope it helps