Answer:Much of this new theorizing is driven not by archaeologists wielding shovels but by evolutionary geneticists taking DNA samples from some of the oldest human remains in the Americas, and from even older ones in Asia. Those discoveries have opened a wide gap between what the genetics seem to be saying and what the archaeology actually shows. Humans may have been on both sides of the Bering Land Bridge some 20,000 years ago. But skeptical archaeologists say they will not believe in this grand idea until they hold the relevant artifacts in their hands, pointing out that no confirmed North American archaeological sites older than 15,000 to 16,000 years currently exist. But other archaeologists are confident it is only a matter of time until older sites are discovered in the sprawling, sparsely populated lands of eastern Siberia, Alaska and northwestern Canada.
Explanation:
The people who were ruling over them were all the way across the Atlantic ocean and they still had to pay taxes to them.
Answer:
It becomes more difficult to track alterations made to data by users and errors can creep in owing to that.
Because that was their land to begin with, and when thousands of people flock to your land and take over everything including resources, then it is an intrusion
The tilt of the earth can cause the amount of solar energy to change because of the rotation and revolution of earth around the sun. you get different rays of <span>light at different times of the day.
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