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Author Question: What allowed human and animal migration to occur from Asia to North America? a. a warm spell ... (Read 73 times)

BrownTown3

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on: Jul 13, 2018
What allowed human and animal migration to occur from Asia to North America?
   a. a warm spell called the Blling-Allerd period
   b. the Eemian interglacial period
   c. retreat of continental glaciers
   d. the Bering land bridge
   e. melting of the polar ice caps

Question 2

The most recent North American glaciers reached their maximum thickness and extent between about ____.
   a. 700 and 600 million years ago
   b. 65 and 55 million years ago
   c. 2.5 and 2 million years ago
   d. 50,000 and 45,000 years ago
   e. 26,000 and 20,000 years ago


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Mochi

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Reply #1 on: Jul 13, 2018
Answer to Question 1

ANSWER: d

Answer to Question 2

ANSWER: e


BrownTown3

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Reply 2 on: Jul 13, 2018
:D TYSM

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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