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People from Great Britain populated America in the mid 17th century

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Nat Olson

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Q: What two leading theories explain how the first humans came to the Americas?
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What two leading theories explain how the first humans came to the America?

The two leading theories are the Coastal Migration Theory, which suggests that the first humans arrived in the Americas by traveling along the Pacific Coast in boats, and the Clovis First Theory, which proposes that humans first arrived in the Americas via a land bridge from Asia during the last Ice Age.


Are there any unintended consequences with the theory of evoulation?

" Unintended consequences? " Scientific theories are explanations of natural phenomenon. Only humans can make " consequences ", theories explain things.


Why did mammoths become exstinct?

Scientists do not know for certain why mammoths died out. Theories include climate change leading to habitat loss or overhunting from humans.


What has been a leading theory about how humans beings first came to the Americas?

The leading theory is that humans first came to the Americas by crossing the Bering land bridge from Asia to North America during the last Ice Age. This migration is believed to have occurred around 15,000-20,000 years ago as the ice sheets melted and opened up a corridor for early humans to travel.


What are the other theories of humans?

Some other theories humans have devised are:The Big Bang theory of cosmological expansionThe theories of general and special relativityThe germ theory of diseaseAtomic theory and quantum mechanics


How did the humans first migrate to the Americas?

While there are many theories, the most commonly accepted is that they walked over across the land bridge that used to exist between present-day Russia and Alaska.


Which of the answers best describes the social sciences?

The theory or theories that can best explain the relationships between the key variables in your study.


What different theories might explain the climate changes thet wiped out the vikings in Greenland and caused the thames river in England to freeze over could humans have caused those climate changes?

=) gd luck


Who is leading in animal testing?

Humans


How did humans migrate to Americas and Oceania from eastern hemisphere?

Land bridges


When did the first humans arrive in the Americas Americas?

It is theorized that the first humans arrived on the continent during the last ice age, about 15,000 years ago. They would have crossed into Alaska by way of the Bering Land Bridge.


How did the pioneers get to Canada?

The scientific methods employed in the construction of origin theories of Canada's First Nations peoples are diverse and the results are inconclusive. Skeletal evidence of what is believed to be the first modern human, or homo sapien, was found in Africa and is dated to 40,000 years ago. Based upon this information, scientists place the origin of the human species outside of the Americas. This is contrary to the belief of First Nations peoples. According to their oral tradition, they originated in North America and did not migrate from somewhere else. Scientists from several different disciplines support theories of migration from Asia to the Americas, but they disagree over when, how or why the first humans came to the Americas.