Author Question: Explain how the changing climate influenced the formation of the Bering land bridge, and how this ... (Read 136 times)

Pineappleeh · **on:** Jul 13, 2018

Explain how the changing climate influenced the formation of the Bering land bridge, and how this affected migration of humans and animals.
What will be the ideal response?

Question 2

Climate models predict that, by the end of this century, increasing concentrations of greenhouse gases will result in an additional global warming that could be as much as several degrees Celsius.
a. True
b. False

meryzewe · **Reply #1 on:** Jul 13, 2018

Answer to Question 1

ANSWER: The most recent North American glaciers reached their maximum thickness and extent about 18,000 to 22,000 years ago. At that time, the sea level was perhaps 120 m (395 ft) lower than it is now. The lower sea level exposed vast areas of land, such as the Bering land bridge, a strip of land that connected Siberia to Alaska, which allowed human and animal migration from Asia to North America.

Answer to Question 2

ANSWER: True