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Most scientists believe that the first people to reach America crossed the Bering Land Bridge, a strip of land that connected Asia to North America during the last Ice Age. This migration is thought to have occurred around 15,000-20,000 years ago.
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When did Scientists develope seismographs?
Scientists developed seismographs in the late 19th century. The first seismograph was invented by John Milne in 1880.
How did people find out what the center of the earth is made of?
Scientists use seismology to study the Earth's interior and infer its composition. By analyzing seismic waves and how they travel through the Earth, researchers can infer the materials and properties found in the Earth's core and mantle. This information helps scientists determine what the center of the Earth is made of.
When do scientists think that humans first appeared in the geologic time scale?
Scientists believe that humans first appeared during the Quaternary period, specifically in the Pleistocene epoch. This period started about 2.6 million years ago and continues to the present day.
How long have scientists been aware of the issue of global warming?
Scientists have been aware of the issue of global warming since the late 19th century, when the concept was first introduced by Swedish scientist Svante Arrhenius.
What was the element americium named after?
America, the country it was discovered in. Many elements are named after the country where they were first found.
What landform do scientists think the first people crossed to reach America?
no one is sure how the first people got to the Americas or when they arrived. most historians think they came to North America from Asia by 12000 BC. they probably walked across a land-bridge that crossed the Bering strait
How did the first people come to the America and and how did they live once they were here?
They crossed Beringia.
How did the first people come to American?
The people who first came to America came in ships or crossed over an ice bridge.
Why do scientists think that the first people crossed the land bridge?
to find riches
How did the first American people come to the US?
The people who first came to America came in ships or crossed over an ice bridge.
Scientists believe the first people come to north America?
They are the English.
How do some scientists think people first came to north America?
you
How do some scientists think the first people came to North America?
you
What landforms do most scientists think the first people crossed to reach America?
no one is sure how the first people got to the Americas or when they arrived. most historians think they came to North America from Asia by 12000 BC. they probably walked across a land-bridge that crossed the Bering strait
How did the first American come to the US?
The people who first came to America came in ships or crossed over an ice bridge.
How did the first Americans come to the us?
The people who first came to America came in ships or crossed over an ice bridge.
Why do scientists think the first people migrated to the Americans?
Scientists believe the first people migrated to the Americas around 15,000-20,000 years ago based on archaeological evidence, such as ancient artifacts and DNA analysis. The prevailing theory is that these early migrants crossed a land bridge that connected Asia to North America during the last Ice Age.
