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During the most recent Ice Age, much of the world's water was in the form of glaciers. They covered roughly half of North America and were from one to three kilometers thick.
As a result, the sea level dropped several hundred feet. At present, the ocean is fairly shallow between Alaska and Russia. When the level of the oceans dropped, the sea bed between Alaska and Russia became dry land.
The prevailing theory is that humans just continued to spread normally across what is called the land bridge. Another theory is that humans sailed across the 50 mile gap between Alaska and Russia.
What else can I help you with?
What continent sized land-bridge joining siberia and North America?
North america
What is Miami Florida's continent?
North America.
Is central America part of the north or south American continent?
Central America is part of the North American continent.
What country is on the north American continent and north of the US?
Canada is north of the US and also part of the North American Continent.
How did the North Americans come to north America?
The American Indian come to North America from Siberia across the Bering land bridge.
Why was the bering strait important to the early native Americans?
It is believed that when the first humans came to North America there was exposed land connecting Siberia and Alaska, where the Bering Strait is now, and that is how they entered the continent.
Which continent is New Mexico in?
The North American Continent
What is the continent of Flourida?
Florida is an American state on the North American continent.
What states are not found in the the North American continent?
Hawaii is the only state no found on the North American continent.
Is Mexico part or the north or south American continent?
Mexico is located at the bottom of the North American Continent.
Is el salvador in central or south America?
Neither. There is no such continent as "Central America" its a term with no specific meaning. There is a North American continent, and a South American continent, but no Central American continent. El Salvador is located on the North American continent.
Which continent is US located in?
The US is in the North American Continent.
