What is the main claim of the new studies regarding human presence in the Americas?
People May Have Walked North America 30,000 Years Ago | SciShow News

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Science, Social Studies, History
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11th Grade - University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Humans never crossed the land bridge from Russia.
Humans arrived in the Americas 10,000 to 15,000 years earlier than previously thought.
The Clovis people were the first humans in the Americas.
Humans arrived in the Americas only 5,000 years ago.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of evidence was found in Chikawete Cave?
Animal fossils
Ancient manuscripts
Human remains
Stone tools
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the statistical model suggest about human migration?
Humans never reached North America.
Humans arrived in North America 5,000 years ago.
Humans only migrated to South America.
Humans were in North America 26,000 years ago.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a major point of contention among scientists regarding the stone tools?
Their origin
Their age
Whether they are human-made
Their color
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do some experts question the sites used in the statistical model?
The age and identification of artifacts are disputed.
The sites are underwater.
The sites are not in North America.
The sites are too recent.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the consensus among scientists about the new findings?
They are not worth investigating.
They are worth further investigation.
They are completely false.
They should be ignored.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the video suggest about the nature of scientific inquiry?
It is based on assumptions.
It involves challenging the status quo.
It never changes.
It is always straightforward.
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